{
    "combine_out_trade_no": "20150806125346",
    "combine_mchid": "1900000109",
    "combine_appid": "wxd678efh567hg6787",
    "scene_info": {
        "device_id": "POS1:123",
        "payer_client_ip": "14.17.22.32"
    },
    "sub_orders": [
        {
            "mchid": "1900000109",
            "attach": "深圳分店",
            "amount": {
                "total_amount": 10,
                "currency": "CNY"
            },
            "out_trade_no": "20150806125346",
            "sub_mchid": "1230000109",
            "description": "腾讯充值中心-QQ会员充值"
        }
    ],
    "combine_payer_info": {
        "openid": "oUpF8uMuAJO_M2pxb1Q9zNjWeS6o"
    },
    "time_start": "2019-12-31T15:59:59+08:00",
    "time_expire": "2019-12-31T16:59:59+08:00",
    "notify_url": "https://yourapp.com/notify"
}