curl--location--request GET 'https://open.weibanzhushou.com/open-api/group_chat/find_external_user?group_chat_id=wr8xjUCAAAb4IiVmBjWjHSwHTXxPa9-A&external_user_id=wm8xjUCAAAu4nT-CRhEFbNNGfY-N6tLw&external_user_unionid=omefmt_T_WQs_h4QolC1RQ4udWG4&external_user_openid=ohpYX63Ss6YnNTdv9YKcjpPGnBhA&access_token='