diff --git a/app/lib/activitypub/activity/follow.rb b/app/lib/activitypub/activity/follow.rb
index 1e805c0d1758fa4349ff89de051b2cc3f66a0afe..3eb88339aebaa6cf4abbd0c4e857a00a06ebe52a 100644
--- a/app/lib/activitypub/activity/follow.rb
+++ b/app/lib/activitypub/activity/follow.rb
@@ -1,6 +1,8 @@
 # frozen_string_literal: true
 
 class ActivityPub::Activity::Follow < ActivityPub::Activity
+  include Payloadable
+
   def perform
     target_account = account_from_uri(object_uri)
 
@@ -28,7 +30,7 @@ class ActivityPub::Activity::Follow < ActivityPub::Activity
   end
 
   def reject_follow_request!(target_account)
-    json = ActiveModelSerializers::SerializableResource.new(FollowRequest.new(account: @account, target_account: target_account, uri: @json['id']), serializer: ActivityPub::RejectFollowSerializer, adapter: ActivityPub::Adapter).to_json
+    json = Oj.dump(serialize_payload(FollowRequest.new(account: @account, target_account: target_account, uri: @json['id']), ActivityPub::RejectFollowSerializer))
     ActivityPub::DeliveryWorker.perform_async(json, target_account.id, @account.inbox_url)
   end
 end
diff --git a/app/models/account.rb b/app/models/account.rb
index fe48fce1050dc18d31b85c682ae7320c7c8fc1cf..c977f887c74500c68d0615da50c6e48ef20b81dd 100644
--- a/app/models/account.rb
+++ b/app/models/account.rb
@@ -204,6 +204,10 @@ class Account < ApplicationRecord
     end
   end
 
+  def sign?
+    true
+  end
+
   def keypair
     @keypair ||= OpenSSL::PKey::RSA.new(private_key || public_key)
   end
diff --git a/app/models/form/account_batch.rb b/app/models/form/account_batch.rb
index 5bc44e809bd3fc32c6dcaf394e8c0adb1e878d47..f1b7a45664f25173a1000a7fdabee37876c77e9f 100644
--- a/app/models/form/account_batch.rb
+++ b/app/models/form/account_batch.rb
@@ -3,6 +3,7 @@
 class Form::AccountBatch
   include ActiveModel::Model
   include Authorization
+  include Payloadable
 
   attr_accessor :account_ids, :action, :current_account
 
@@ -54,13 +55,7 @@ class Form::AccountBatch
 
     return unless follow.account.activitypub?
 
-    json = ActiveModelSerializers::SerializableResource.new(
-      follow,
-      serializer: ActivityPub::RejectFollowSerializer,
-      adapter: ActivityPub::Adapter
-    ).to_json
-
-    ActivityPub::DeliveryWorker.perform_async(json, current_account.id, follow.account.inbox_url)
+    ActivityPub::DeliveryWorker.perform_async(Oj.dump(serialize_payload(follow, ActivityPub::RejectFollowSerializer)), current_account.id, follow.account.inbox_url)
   end
 
   def approve!
diff --git a/app/models/status.rb b/app/models/status.rb
index 2f6101b9082c33c4acf36aa027afb859702232f8..a7f32f41c787425fba01e39eae55dfcfe94db895 100644
--- a/app/models/status.rb
+++ b/app/models/status.rb
@@ -204,6 +204,8 @@ class Status < ApplicationRecord
     public_visibility? || unlisted_visibility?
   end
 
+  alias sign? distributable?
+
   def with_media?
     media_attachments.any?
   end
diff --git a/app/services/after_block_domain_from_account_service.rb b/app/services/after_block_domain_from_account_service.rb
index 180f134032375f8af3d27c7a07d03f1a2471e91b..a87c2e792c928f6039917cb0f4557e1d918a2783 100644
--- a/app/services/after_block_domain_from_account_service.rb
+++ b/app/services/after_block_domain_from_account_service.rb
@@ -1,6 +1,8 @@
 # frozen_string_literal: true
 
 class AfterBlockDomainFromAccountService < BaseService
+  include Payloadable
+
   # This service does not create an AccountDomainBlock record,
   # it's meant to be called after such a record has been created
   # synchronously, to "clean up"
@@ -31,12 +33,6 @@ class AfterBlockDomainFromAccountService < BaseService
 
     return unless follow.account.activitypub?
 
-    json = ActiveModelSerializers::SerializableResource.new(
-      follow,
-      serializer: ActivityPub::RejectFollowSerializer,
-      adapter: ActivityPub::Adapter
-    ).to_json
-
-    ActivityPub::DeliveryWorker.perform_async(json, @account.id, follow.account.inbox_url)
+    ActivityPub::DeliveryWorker.perform_async(Oj.dump(serialize_payload(follow, ActivityPub::RejectFollowSerializer)), @account.id, follow.account.inbox_url)
   end
 end
diff --git a/app/services/authorize_follow_service.rb b/app/services/authorize_follow_service.rb
index f2e3ebe7d00b4770fea3dd2e478dfead17ee0027..29b8700c7c7d06781d00d8d11b695f8da7b779b0 100644
--- a/app/services/authorize_follow_service.rb
+++ b/app/services/authorize_follow_service.rb
@@ -1,6 +1,8 @@
 # frozen_string_literal: true
 
 class AuthorizeFollowService < BaseService
+  include Payloadable
+
   def call(source_account, target_account, **options)
     if options[:skip_follow_request]
       follow_request = FollowRequest.new(account: source_account, target_account: target_account, uri: options[:follow_request_uri])
@@ -24,11 +26,7 @@ class AuthorizeFollowService < BaseService
   end
 
   def build_json(follow_request)
-    ActiveModelSerializers::SerializableResource.new(
-      follow_request,
-      serializer: ActivityPub::AcceptFollowSerializer,
-      adapter: ActivityPub::Adapter
-    ).to_json
+    Oj.dump(serialize_payload(follow_request, ActivityPub::AcceptFollowSerializer))
   end
 
   def build_xml(follow_request)
diff --git a/app/services/block_service.rb b/app/services/block_service.rb
index 10ed470e0a3e433acb5976ce378728d816292d12..9050a48585cea9cb18984661a91249cd5a35ab44 100644
--- a/app/services/block_service.rb
+++ b/app/services/block_service.rb
@@ -1,6 +1,8 @@
 # frozen_string_literal: true
 
 class BlockService < BaseService
+  include Payloadable
+
   def call(account, target_account)
     return if account.id == target_account.id
 
@@ -26,11 +28,7 @@ class BlockService < BaseService
   end
 
   def build_json(block)
-    ActiveModelSerializers::SerializableResource.new(
-      block,
-      serializer: ActivityPub::BlockSerializer,
-      adapter: ActivityPub::Adapter
-    ).to_json
+    Oj.dump(serialize_payload(block, ActivityPub::BlockSerializer))
   end
 
   def build_xml(block)
diff --git a/app/services/concerns/payloadable.rb b/app/services/concerns/payloadable.rb
new file mode 100644
index 0000000000000000000000000000000000000000..13d9c3548353e538be69e52a9abaf69b3da7283a
--- /dev/null
+++ b/app/services/concerns/payloadable.rb
@@ -0,0 +1,19 @@
+# frozen_string_literal: true
+
+module Payloadable
+  def serialize_payload(record, serializer, options = {})
+    signer    = options.delete(:signer)
+    sign_with = options.delete(:sign_with)
+    payload   = ActiveModelSerializers::SerializableResource.new(record, options.merge(serializer: serializer, adapter: ActivityPub::Adapter)).as_json
+
+    if (record.respond_to?(:sign?) && record.sign?) && signer && signing_enabled?
+      ActivityPub::LinkedDataSignature.new(payload).sign!(signer, sign_with: sign_with)
+    else
+      payload
+    end
+  end
+
+  def signing_enabled?
+    true
+  end
+end
diff --git a/app/services/favourite_service.rb b/app/services/favourite_service.rb
index b565bcc3203f30c9f2544c0fccbab496d7fddf7c..128a24ad61e59f484ebda27e432d4f7ee32d96e3 100644
--- a/app/services/favourite_service.rb
+++ b/app/services/favourite_service.rb
@@ -2,6 +2,7 @@
 
 class FavouriteService < BaseService
   include Authorization
+  include Payloadable
 
   # Favourite a status and notify remote user
   # @param [Account] account
@@ -43,11 +44,7 @@ class FavouriteService < BaseService
   end
 
   def build_json(favourite)
-    Oj.dump(ActivityPub::LinkedDataSignature.new(ActiveModelSerializers::SerializableResource.new(
-      favourite,
-      serializer: ActivityPub::LikeSerializer,
-      adapter: ActivityPub::Adapter
-    ).as_json).sign!(favourite.account))
+    Oj.dump(serialize_payload(favourite, ActivityPub::LikeSerializer))
   end
 
   def build_xml(favourite)
diff --git a/app/services/follow_service.rb b/app/services/follow_service.rb
index 92d8c864a7de1e8c617e2eafdf159a1560d8735a..0305e2d621afc6f0ee1765480d312c5d37ba9ca4 100644
--- a/app/services/follow_service.rb
+++ b/app/services/follow_service.rb
@@ -2,6 +2,7 @@
 
 class FollowService < BaseService
   include Redisable
+  include Payloadable
 
   # Follow a remote user, notify remote user about the follow
   # @param [Account] source_account From which to follow
@@ -78,10 +79,6 @@ class FollowService < BaseService
   end
 
   def build_json(follow_request)
-    ActiveModelSerializers::SerializableResource.new(
-      follow_request,
-      serializer: ActivityPub::FollowSerializer,
-      adapter: ActivityPub::Adapter
-    ).to_json
+    Oj.dump(serialize_payload(follow_request, ActivityPub::FollowSerializer))
   end
 end
diff --git a/app/services/process_mentions_service.rb b/app/services/process_mentions_service.rb
index d27a7dab4c194deef4e2ac79496a848496d52a22..bc607dff3953c210f67b42a33c518753afa52d3b 100644
--- a/app/services/process_mentions_service.rb
+++ b/app/services/process_mentions_service.rb
@@ -2,6 +2,7 @@
 
 class ProcessMentionsService < BaseService
   include StreamEntryRenderer
+  include Payloadable
 
   # Scan status for mentions and fetch remote mentioned users, create
   # local mention pointers, send Salmon notifications to mentioned
@@ -61,12 +62,7 @@ class ProcessMentionsService < BaseService
 
   def activitypub_json
     return @activitypub_json if defined?(@activitypub_json)
-    payload = ActiveModelSerializers::SerializableResource.new(
-      @status,
-      serializer: ActivityPub::ActivitySerializer,
-      adapter: ActivityPub::Adapter
-    ).as_json
-    @activitypub_json = Oj.dump(@status.distributable? ? ActivityPub::LinkedDataSignature.new(payload).sign!(@status.account) : payload)
+    @activitypub_json = Oj.dump(serialize_payload(@status, ActivityPub::ActivitySerializer, signer: @status.account))
   end
 
   def resolve_account_service
diff --git a/app/services/reblog_service.rb b/app/services/reblog_service.rb
index 1710640c81db991e3df4f109d4e99f0b9541f24e..9cf4bc128b8f1958f5b5b548384726835918afb4 100644
--- a/app/services/reblog_service.rb
+++ b/app/services/reblog_service.rb
@@ -3,6 +3,7 @@
 class ReblogService < BaseService
   include Authorization
   include StreamEntryRenderer
+  include Payloadable
 
   # Reblog a status and notify its remote author
   # @param [Account] account Account to reblog from
@@ -53,10 +54,6 @@ class ReblogService < BaseService
   end
 
   def build_json(reblog)
-    Oj.dump(ActivityPub::LinkedDataSignature.new(ActiveModelSerializers::SerializableResource.new(
-      reblog,
-      serializer: ActivityPub::ActivitySerializer,
-      adapter: ActivityPub::Adapter
-    ).as_json).sign!(reblog.account))
+    Oj.dump(serialize_payload(reblog, ActivityPub::ActivitySerializer, signer: reblog.account))
   end
 end
diff --git a/app/services/reject_follow_service.rb b/app/services/reject_follow_service.rb
index a91266aa4b65b6447e1558cdc7373fda46a50aed..f87d0ba914f6382fc5904f885b21da6384c26543 100644
--- a/app/services/reject_follow_service.rb
+++ b/app/services/reject_follow_service.rb
@@ -1,6 +1,8 @@
 # frozen_string_literal: true
 
 class RejectFollowService < BaseService
+  include Payloadable
+
   def call(source_account, target_account)
     follow_request = FollowRequest.find_by!(account: source_account, target_account: target_account)
     follow_request.reject!
@@ -19,11 +21,7 @@ class RejectFollowService < BaseService
   end
 
   def build_json(follow_request)
-    ActiveModelSerializers::SerializableResource.new(
-      follow_request,
-      serializer: ActivityPub::RejectFollowSerializer,
-      adapter: ActivityPub::Adapter
-    ).to_json
+    Oj.dump(serialize_payload(follow_request, ActivityPub::RejectFollowSerializer))
   end
 
   def build_xml(follow_request)
diff --git a/app/services/remove_status_service.rb b/app/services/remove_status_service.rb
index 747f209f3320b8f9b54304fddc30725bc0f5f098..81adc5aae54dcb0fe8c4c7f1849cd0e493db3dc2 100644
--- a/app/services/remove_status_service.rb
+++ b/app/services/remove_status_service.rb
@@ -3,6 +3,7 @@
 class RemoveStatusService < BaseService
   include StreamEntryRenderer
   include Redisable
+  include Payloadable
 
   def call(status, **options)
     @payload      = Oj.dump(event: :delete, payload: status.id.to_s)
@@ -115,15 +116,7 @@ class RemoveStatusService < BaseService
   end
 
   def signed_activity_json
-    @signed_activity_json ||= Oj.dump(ActivityPub::LinkedDataSignature.new(activity_json).sign!(@account))
-  end
-
-  def activity_json
-    @activity_json ||= ActiveModelSerializers::SerializableResource.new(
-      @status,
-      serializer: @status.reblog? ? ActivityPub::UndoAnnounceSerializer : ActivityPub::DeleteSerializer,
-      adapter: ActivityPub::Adapter
-    ).as_json
+    @signed_activity_json ||= Oj.dump(serialize_payload(@status, @status.reblog? ? ActivityPub::UndoAnnounceSerializer : ActivityPub::DeleteSerializer, signer: @account))
   end
 
   def remove_reblogs
diff --git a/app/services/report_service.rb b/app/services/report_service.rb
index 73bd6694f2e23caafc897d326fc804c6dfd18c75..1e955c1e704b70574511426e1e7f25097889d257 100644
--- a/app/services/report_service.rb
+++ b/app/services/report_service.rb
@@ -1,6 +1,8 @@
 # frozen_string_literal: true
 
 class ReportService < BaseService
+  include Payloadable
+
   def call(source_account, target_account, options = {})
     @source_account = source_account
     @target_account = target_account
@@ -44,12 +46,7 @@ class ReportService < BaseService
   end
 
   def payload
-    Oj.dump(ActiveModelSerializers::SerializableResource.new(
-      @report,
-      serializer: ActivityPub::FlagSerializer,
-      adapter: ActivityPub::Adapter,
-      account: some_local_account
-    ).as_json)
+    Oj.dump(serialize_payload(@report, ActivityPub::FlagSerializer, account: some_local_account))
   end
 
   def some_local_account
diff --git a/app/services/suspend_account_service.rb b/app/services/suspend_account_service.rb
index 412873f841839b1aa77939a5362a97f786b0fe1b..a5ce3dbd9b303d446fab39b6169cfcf4219774c5 100644
--- a/app/services/suspend_account_service.rb
+++ b/app/services/suspend_account_service.rb
@@ -1,6 +1,8 @@
 # frozen_string_literal: true
 
 class SuspendAccountService < BaseService
+  include Payloadable
+
   ASSOCIATIONS_ON_SUSPEND = %w(
     account_pins
     active_relationships
@@ -118,23 +120,11 @@ class SuspendAccountService < BaseService
   end
 
   def delete_actor_json
-    return @delete_actor_json if defined?(@delete_actor_json)
-
-    payload = ActiveModelSerializers::SerializableResource.new(
-      @account,
-      serializer: ActivityPub::DeleteActorSerializer,
-      adapter: ActivityPub::Adapter
-    ).as_json
-
-    @delete_actor_json = Oj.dump(ActivityPub::LinkedDataSignature.new(payload).sign!(@account))
+    @delete_actor_json ||= Oj.dump(serialize_payload(@account, ActivityPub::DeleteActorSerializer, signer: @account))
   end
 
   def build_reject_json(follow)
-    ActiveModelSerializers::SerializableResource.new(
-      follow,
-      serializer: ActivityPub::RejectFollowSerializer,
-      adapter: ActivityPub::Adapter
-    ).to_json
+    Oj.dump(serialize_payload(follow, ActivityPub::RejectFollowSerializer))
   end
 
   def delivery_inboxes
diff --git a/app/services/unblock_service.rb b/app/services/unblock_service.rb
index 72fc5ab150d68702d953fd4efa495945b9bdacaa..95a858e9f59a8174502a40fe705ef9125ecdf1a3 100644
--- a/app/services/unblock_service.rb
+++ b/app/services/unblock_service.rb
@@ -1,6 +1,8 @@
 # frozen_string_literal: true
 
 class UnblockService < BaseService
+  include Payloadable
+
   def call(account, target_account)
     return unless account.blocking?(target_account)
 
@@ -20,11 +22,7 @@ class UnblockService < BaseService
   end
 
   def build_json(unblock)
-    ActiveModelSerializers::SerializableResource.new(
-      unblock,
-      serializer: ActivityPub::UndoBlockSerializer,
-      adapter: ActivityPub::Adapter
-    ).to_json
+    Oj.dump(serialize_payload(unblock, ActivityPub::UndoBlockSerializer))
   end
 
   def build_xml(block)
diff --git a/app/services/unfavourite_service.rb b/app/services/unfavourite_service.rb
index 2fda11bd660292be67c5eb99ad2960b4422bd3ab..dcc890b7de5f40e6fb3a8a439cf5af0dee31280c 100644
--- a/app/services/unfavourite_service.rb
+++ b/app/services/unfavourite_service.rb
@@ -1,6 +1,8 @@
 # frozen_string_literal: true
 
 class UnfavouriteService < BaseService
+  include Payloadable
+
   def call(account, status)
     favourite = Favourite.find_by!(account: account, status: status)
     favourite.destroy!
@@ -21,11 +23,7 @@ class UnfavouriteService < BaseService
   end
 
   def build_json(favourite)
-    Oj.dump(ActivityPub::LinkedDataSignature.new(ActiveModelSerializers::SerializableResource.new(
-      favourite,
-      serializer: ActivityPub::UndoLikeSerializer,
-      adapter: ActivityPub::Adapter
-    ).as_json).sign!(favourite.account))
+    Oj.dump(serialize_payload(favourite, ActivityPub::UndoLikeSerializer))
   end
 
   def build_xml(favourite)
diff --git a/app/services/unfollow_service.rb b/app/services/unfollow_service.rb
index 95da2a667b32c03ba5a1be1a6da8acd2bfbd579e..17dc29735f9d5006fd7ece962c2c22b6d97de635 100644
--- a/app/services/unfollow_service.rb
+++ b/app/services/unfollow_service.rb
@@ -1,6 +1,8 @@
 # frozen_string_literal: true
 
 class UnfollowService < BaseService
+  include Payloadable
+
   # Unfollow and notify the remote user
   # @param [Account] source_account Where to unfollow from
   # @param [Account] target_account Which to unfollow
@@ -50,19 +52,11 @@ class UnfollowService < BaseService
   end
 
   def build_json(follow)
-    ActiveModelSerializers::SerializableResource.new(
-      follow,
-      serializer: ActivityPub::UndoFollowSerializer,
-      adapter: ActivityPub::Adapter
-    ).to_json
+    Oj.dump(serialize_payload(follow, ActivityPub::UndoFollowSerializer))
   end
 
   def build_reject_json(follow)
-    ActiveModelSerializers::SerializableResource.new(
-      follow,
-      serializer: ActivityPub::RejectFollowSerializer,
-      adapter: ActivityPub::Adapter
-    ).to_json
+    Oj.dump(serialize_payload(follow, ActivityPub::RejectFollowSerializer))
   end
 
   def build_xml(follow)
diff --git a/app/services/vote_service.rb b/app/services/vote_service.rb
index 81af9ef3a4b1df26445d8cdeab7eea1057306f91..0eeb8fd56a95f5a6c2dbb87a9638037ba1b1ce27 100644
--- a/app/services/vote_service.rb
+++ b/app/services/vote_service.rb
@@ -2,6 +2,7 @@
 
 class VoteService < BaseService
   include Authorization
+  include Payloadable
 
   def call(account, poll, choices)
     authorize_with account, poll, :vote?
@@ -50,10 +51,6 @@ class VoteService < BaseService
   end
 
   def build_json(vote)
-    ActiveModelSerializers::SerializableResource.new(
-      vote,
-      serializer: ActivityPub::VoteSerializer,
-      adapter: ActivityPub::Adapter
-    ).to_json
+    Oj.dump(serialize_payload(vote, ActivityPub::VoteSerializer))
   end
 end
diff --git a/app/workers/activitypub/distribute_poll_update_worker.rb b/app/workers/activitypub/distribute_poll_update_worker.rb
index 5eaca6fda30aa4655255c603e3d1268e1eb59844..1e87fa4bf2a784966773e3aeb654ad84cb45fed3 100644
--- a/app/workers/activitypub/distribute_poll_update_worker.rb
+++ b/app/workers/activitypub/distribute_poll_update_worker.rb
@@ -2,6 +2,7 @@
 
 class ActivityPub::DistributePollUpdateWorker
   include Sidekiq::Worker
+  include Payloadable
 
   sidekiq_options queue: 'push', unique: :until_executed, retry: 0
 
@@ -41,20 +42,8 @@ class ActivityPub::DistributePollUpdateWorker
     @inboxes
   end
 
-  def signed_payload
-    Oj.dump(ActivityPub::LinkedDataSignature.new(unsigned_payload).sign!(@account))
-  end
-
-  def unsigned_payload
-    ActiveModelSerializers::SerializableResource.new(
-      @status,
-      serializer: ActivityPub::UpdatePollSerializer,
-      adapter: ActivityPub::Adapter
-    ).as_json
-  end
-
   def payload
-    @payload ||= @status.distributable? ? signed_payload : Oj.dump(unsigned_payload)
+    @payload ||= Oj.dump(serialize_payload(@status, ActivityPub::UpdatePollSerializer, signer: @account))
   end
 
   def relay!
diff --git a/app/workers/activitypub/distribution_worker.rb b/app/workers/activitypub/distribution_worker.rb
index d83f017000896eb9dc0f9320f65a1db544da839d..11b6a611108606b6bd9f91e368cd05cec62d8db4 100644
--- a/app/workers/activitypub/distribution_worker.rb
+++ b/app/workers/activitypub/distribution_worker.rb
@@ -2,6 +2,7 @@
 
 class ActivityPub::DistributionWorker
   include Sidekiq::Worker
+  include Payloadable
 
   sidekiq_options queue: 'push'
 
@@ -41,20 +42,8 @@ class ActivityPub::DistributionWorker
                  end
   end
 
-  def signed_payload
-    Oj.dump(ActivityPub::LinkedDataSignature.new(unsigned_payload).sign!(@account))
-  end
-
-  def unsigned_payload
-    ActiveModelSerializers::SerializableResource.new(
-      @status,
-      serializer: ActivityPub::ActivitySerializer,
-      adapter: ActivityPub::Adapter
-    ).as_json
-  end
-
   def payload
-    @payload ||= @status.distributable? ? signed_payload : Oj.dump(unsigned_payload)
+    @payload ||= Oj.dump(serialize_payload(@status, ActivityPub::ActivitySerializer, signer: @account))
   end
 
   def relay!
diff --git a/app/workers/activitypub/reply_distribution_worker.rb b/app/workers/activitypub/reply_distribution_worker.rb
index d8fea6c4e5cafacbca0fc15f10373ce44ab0edb7..1ff8a657e8391912609afeafd9a4ee7b27b700b3 100644
--- a/app/workers/activitypub/reply_distribution_worker.rb
+++ b/app/workers/activitypub/reply_distribution_worker.rb
@@ -5,6 +5,7 @@
 
 class ActivityPub::ReplyDistributionWorker
   include Sidekiq::Worker
+  include Payloadable
 
   sidekiq_options queue: 'push'
 
@@ -27,19 +28,7 @@ class ActivityPub::ReplyDistributionWorker
     @inboxes ||= @account.followers.inboxes
   end
 
-  def signed_payload
-    Oj.dump(ActivityPub::LinkedDataSignature.new(unsigned_payload).sign!(@status.account))
-  end
-
-  def unsigned_payload
-    ActiveModelSerializers::SerializableResource.new(
-      @status,
-      serializer: ActivityPub::ActivitySerializer,
-      adapter: ActivityPub::Adapter
-    ).as_json
-  end
-
   def payload
-    @payload ||= @status.distributable? ? signed_payload : Oj.dump(unsigned_payload)
+    @payload ||= Oj.dump(serialize_payload(@status, ActivityPub::ActivitySerializer, signer: @status.account))
   end
 end
diff --git a/app/workers/activitypub/update_distribution_worker.rb b/app/workers/activitypub/update_distribution_worker.rb
index b9e5ff064f2e532ec1eb8b2c79eb6867badfab1d..3a207f0719c616c3d8a56b97e490b7ba5b54a751 100644
--- a/app/workers/activitypub/update_distribution_worker.rb
+++ b/app/workers/activitypub/update_distribution_worker.rb
@@ -2,6 +2,7 @@
 
 class ActivityPub::UpdateDistributionWorker
   include Sidekiq::Worker
+  include Payloadable
 
   sidekiq_options queue: 'push'
 
@@ -27,14 +28,6 @@ class ActivityPub::UpdateDistributionWorker
   end
 
   def signed_payload
-    @signed_payload ||= Oj.dump(ActivityPub::LinkedDataSignature.new(payload).sign!(@account, sign_with: @options[:sign_with]))
-  end
-
-  def payload
-    @payload ||= ActiveModelSerializers::SerializableResource.new(
-      @account,
-      serializer: ActivityPub::UpdateSerializer,
-      adapter: ActivityPub::Adapter
-    ).as_json
+    @signed_payload ||= Oj.dump(serialize_payload(@account, ActivityPub::UpdateSerializer, signer: @account, sign_with: @options[:sign_with]))
   end
 end