{
    "guide_account": "wx_account",
    "openid": "xxxxxxx",
    "buyer_nickname": "张三",
    "buyer_list": [
        {
            "openid": "xxxxxxx",
            "buyer_nickname": "张三"
        },
        {
            "openid": "yyyyyyyy",
            "buyer_nickname": "李四"
        }
    ]
}