code: public function device(?int $id = null): ?array
      {
          if (is_null($id)) {
              $id = $this->device;
          }
  
          $key = sprintf('smsgatewayme.device.%s', $id);
          $device = Cache::remember($key, 3600 * 24 * 7, function () use (&$response, $id) {
              $response = Request::get($this->baseUrl.'device/'.$id);
  
              if ($response->code != 200) {
                  if (!empty($response->body->message)) {
                      Log::error($response->body->message);
                  }
              }
  
              return $response->body;
          });
  
          return [
              'code'    => $response->code ?? 200,
              'message' => 'OK',
              'data'    => $device,
          ];
      }
docs: Get device information.
  
  @return object|null