private function getCreators($playlists)
 {
     $ids = $playlists->map(function ($item) {
         return $item->channel_id;
     });
     return $this->channelService->getCreatorsBatch($ids);
 }
 /**
  * @param Collection $payload
  * @return Collection
  */
 public function process($payload)
 {
     $dataCollection = $payload;
     if ($dataCollection->has('series')) {
         $creatorId = $dataCollection->get('series')->channel_id;
         $creator = $this->channelService->getCreator($creatorId);
         $dataCollection = $dataCollection->put('creator', $creator->first());
     }
     return $dataCollection;
 }