code: public function get($openId, $lang = 'zh_CN')
      {
          $params = [
                     'openid' => $openId,
                     'lang' => $lang,
                    ];
  
          return $this->parseJSON('get', [self::API_GET, $params]);
      }
docs: Fetch a user by open id.
  
  @param string $openId
  @param string $lang
  
  @return \EasyWeChat\Support\Collection