protected function cache($path, $parameters, $response)
 {
     if (isset($response['lastModified'])) {
         $response['lastModified'] = round($response['lastModified'] / 1000);
     }
     $response['cachedAt'] = time();
     $cache = json_encode($response);
     $this->client->getCache()->setCachedResponse($path, $parameters, $cache);
 }