protected function fetch($postParam, $token)
 {
     $context = new GadgetContext('GADGET');
     $context->setIgnoreCache(true);
     $url = OpenPNEServiceConfig::SNSURL . OpenPNEServiceConfig::ACTION;
     $postData = json_encode($postParam);
     $headers = 'Content-Type: application/json; charaset=utf-8';
     $request = new RemoteContentRequest($url . '?st=' . $token->toSerialForm(), $headers, $postData);
     return $this->getResponseData($context->getHttpFetcher()->fetch($request, $context));
 }