code: public function getJob($job)
      {
          if (substr($this->queueUrl, -1) == '/') {
              $uri = $this->queueUrl . "queue/job/{$job}";
          } else {
              $uri = $this->queueUrl . "/queue/job/{$job}";
          }
          try {
              $request = new Request('GET', $uri);
              $response = $this->guzzle->send($request);
          } catch (RequestException $e) {
              throw new ClientException($e->getMessage(), 0, $e);
          }
          return $this->decodeResponse($response);
      }
docs: Get asynchronous job status (waiting, processing, etc.).
  
  @param int|string $job Job Id.
  @return array Response data with job status.
  @throws ClientException