Made some progress

app/services/fetch_feed_service.rb

@@ -1,5 +1,15 @@
 class FetchFeedService
   def call(account)
-    # todo
+    process_service.(http_client.get(account.remote_url), account)
+  end
+
+  private
+
+  def process_service
+    ProcessFeedService.new
+  end
+
+  def http_client
+    HTTP
   end
 end