微信下发过来的客服消息，ToUserName是原始ID，回复客服消息需要使用AppId，请问如何根据原始id找到对应的AppId?

{
	"ToUserName": "gh_3ec1e71ed323",
	"FromUserName": "ocvrL4uZ3iGuZ3vo2cYiCkQbE8_A",
	"CreateTime": 1673316222,
	"MsgType": "text",
	"Content": "hello",
	"MsgId": 23956126958811652
}