你好，偶尔会发现添加了服务商号的主体，添加好友之后服务商回调收不到，请问是什么问题

https://qyapi.weixin.qq.com/cgi-bin/externalcontact/get?access_token=gjT-rUr0h7bmjpStzs0D1f4X7domUuEoLu8pDE6yWtNiMjnlBWKrjyCtue-rkHGclTyBbmjm0xksVcc1e4yx14o8Z_29cBZRET1P_-8DFxZ9yJIFXeQLRIZx7ANxGSUokZotDW2KypN-Q5Udl6TkNRV2wu3geeRrxQqPv4myFq9XByflXIKqJR1ohJIAeb35UBD0F-2wpkOFeygmIQZYuw&external_userid=wmxHXWEAAABgMIR83dlKyXJd3t {"errcode":40096,"errmsg":"invalid external userid, hint: [1625209081_162_7d2803a6670a031ecf58f27ea36ca65f], from ip: 114.118.27.31, more info at https://open.work.weixin.qq.com/devtool/query?e=40096","follow_user":[]}

{"errcode":0,"errmsg":"ok","external_contact":{"external_userid":"wm-GQADQAAc-eAYnd5YI28TYOBEy2YEQ","name":"感叹号","type":1,"avatar":"http://wx.qlogo.cn/mmhead/Q3auHgzwzM4ywtZXMMgKRYXQYMBDPYgLW0rXpN1UcpYJrhk7vickuaA/0","gender":1},"follow_user":[{"userid":"BiaoYuanQiChe","remark":"感叹号","description":"","createtime":1600505057,"tags":[],"remark_mobiles":[],"add_way":0}]}