{ "order_id" : 25110300000937, "app_key" : "1139775503", "sign":"11111111" }
curl --location --request POST 'http://test.merchant.center.mf178.cn/api/merchant/pre_order_refund' \ --header 'Content-Type: application/json' \ --data-raw '{ "order_id" : 25110300000937, "app_key" : "1139775503", "sign":"11111111" }'
{ "code": 0, "message": "string", "stime": 0, "etime": 0, "data": [ "string" ] }