/**
  * Returns HTTP request to events url
  *
  * @return \Magento\Framework\HTTP\ZendClient
  */
 protected function getRequest()
 {
     if (!isset($this->request)) {
         $this->request = $this->clientFactory->create();
         $this->request->setUri($this->getEventsUrl());
         $insertKey = $this->config->getInsightsInsertKey();
         $this->request->setMethod(ZendClient::POST);
         $this->request->setHeaders(['X-Insert-Key' => $insertKey, 'Content-Type' => 'application/json']);
     }
     return $this->request;
 }