public function getMoments(Request $request)
 {
     $check_result = $this->requestCheck($request, ['user_id' => 'required']);
     if (!$check_result['result']) {
         return $this->response->error($check_result['message'], 422);
     }
     $payload = $request->all();
     $moments = Moment::orderBy('created_at', 'desc')->paginate(10);
     return $this->paginator($moments, new MomentTransformer($payload['user_id']));
 }