public function actionImport()
 {
     ini_set('memory_limit', '5G');
     if (isset($_POST['data'])) {
         $data = $_POST['data'];
     } else {
         $data = gzcompress(json_encode(array()));
     }
     //die(json_encode(($data)));
     $unzippedData = $data;
     //gzuncompress($data);
     $arrayData = json_decode($unzippedData, true);
     //if(isset($arrayData['devices']))
     //{
     $subscriptionCount = Device::import($arrayData);
     return 'total number of subscriptions made:' . $subscriptionCount;
     //}
     return $arrayData;
 }