l 请求报文头参数
{
"chnlId": "1310",
"accessId": "UP",
"cmd": "couponDelete",
"qid": "2019122712341234",
"outerActivityNo": "10000789",
"orderDt": "20191227",
"traceId": "trace2019122712341234",
"discountId": "3112019122000939",
"discountNum": "0",
"entityTp": " 01",
"entityId": "13022982789",
"logId": "log2019122712341234"
}