验单(空字符串)

{
    "service": "brand",
    "endpoint": "/api/mcDonalds/order/check",
    "params": {
        "carList": [
            {
                "childOrderNo": "123456789",
                "code": "8fcf3dfaa9764d38a3ba02b1020f71b9",
                "comboItems": [
                    {
                        "choicesCode": "",
                        "code": "1600",
                        "quantity": 1
                    }
                ],
                "quantity": 1
            }
        ],
        "deliveryAddress": {
            "userName": "轩辕义轩"
        },
        "shopId": "ff8080818193fff701819415a4470834"
    }
}