/**
  * Formats payload to pass to constructor
  *
  * @return PhabricatorStory|stdClass A deserialization of the payload
  */
 private function formatPayload()
 {
     if ($this->service === "Phabricator") {
         $project = $this->constructor['project'];
         return PhabricatorStory::loadFromJson($project, $this->payload);
     }
     return json_decode($this->payload);
 }