/**
  * Sends the request to Vend, and reutrns the decoded JSON data from the response.
  *
  * @param CurlHttpRequest $request The request to send.
  *
  * @param                 $requestType
  *
  * @return array
  * @throws EntityNotFoundException
  * @throws CommunicationException
  */
 protected function sendRequest(CurlHttpRequest $request, $requestType)
 {
     $result = $request->send();
     if (!$result->getError() && 404 == $result->getResponseCode()) {
         throw new EntityNotFoundException('The specified entity can not be found', 404, null, $result);
     }
     if (!$result->isRequestSuccessful()) {
         $exceptionClass = $this->getCommunicationExceptionClass();
         throw new $exceptionClass($requestType, $result, 0, null, $result);
     }
     $resultData = json_decode($result->getResponseBody(), true);
     if (empty($resultData)) {
         $exceptionClass = $this->getCommunicationExceptionClass();
         throw new $exceptionClass($requestType, $result, 0, null, $result);
     }
     return $resultData;
 }