Delegate processing of incoming PuSH data to background workers

app/controllers/api/subscriptions_controller.rb

@@ -16,7 +16,7 @@ class Api::SubscriptionsController < ApiController
     subscription = @account.subscription(api_subscription_url(@account.id))
 
     if subscription.verify(body, request.headers['HTTP_X_HUB_SIGNATURE'])
-      ProcessFeedService.new.call(body, @account)
+      ProcessingWorker.perform_async(@account.id, body.force_encoding('UTF-8'))
       head 201
     else
       head 202

app/workers/processing_worker.rb

@@ -0,0 +1,7 @@
+class ProcessingWorker
+  include Sidekiq::Worker
+
+  def perform(account_id, body)
+    ProcessFeedService.new.call(body, Account.find(account_id))
+  end
+end