合约修改限价委托单 (SIGNED)

curl 
 -H 'X-API-KEY:{{AccessKey}}'
 -H 'X-API-TIMESTAMP:{{currentTime}}'
 -H 'X-API-SIGN:{{SIGN}}' 
 -X POST -d '{
  "symbol":"ETHUSDT",
  "order_id":220906179559421,
  "client_order_id":"123456",
  "price":"1450",
  "size":1
}'
https://cloud-api.wooxpro.com/contract/private/modify-limit-order

{
  "code": 1000,
  "message": "Ok",
  "data": {
    "order_id": 220609666322019,
    "client_order_id": "123456"
  },
  "trace": "13f7fda9-9543-4e11-a0ba-cbe117989988"
}