转接事件

{
	"event": "transfer",
	"data": {
		"user_id": 1, // 用户id
		"kefu_id": 1 // 新客服id
	}
}

{
	"event": "transfer",
	"data": {
		"status": "send_success"
	}
}

{
	"event": "transfer",
	"data": {
		"status": "get_success",
		"user": {
			"avatar": "/static/common/image/default/user.png",
			"client": 6,
			"create_time": "2021-12-16 18:07:09",
			"id": 8,
			"kefu_id": 1,
			"msg": "",
			"msg_type": 1,
			"nickname": "用户06939625",
			"online": 1,
			"shop_id": 0,
			"update_time": "2021-12-17 15:47:38",
			"user_id": 82
		}
	}
}

{
	"event": "transfer",
	"data": {
		"avater": "/static/common/image/default/user.png",  // 客服头像
		"nickname": "小明", // 客服昵称
		"id": 1  // 客服id
	}
}

{
	"event": "chat",
	"data": {
		"shop_id": 6,
		"from_id": 4,
		"from_type": "user",
		"to_id": 2,
		"to_type": "kefu",
		"msg": "你好啊",
		"msg_type": 1,
		"is_read": 1,
		"create_time": "2021-12-15 14:23:54",
		"update_time": 1639549434,
		"id": "198",
		"from_avatar": "http://likeshopb2b2cchat.yixiangonline.com/uploads/user/avatar/e36c36040fc0a985bdaf31672a6afc93.jpeg",
		"from_nickname": "Jason",
		"create_time_stamp": 1639549434,
		"goods": []
	}
}