curl --request POST \
  --url https://sandbox.finhub.cloud/api/v2.1/fincard/virtual/work/submit \
  --header 'Content-Type: application/json' \
  --data '
{
  "merchantOrderNo": "<string>",
  "title": "<string>",
  "target": "<string>",
  "tradeType": "<string>",
  "content": "<string>",
  "files": [
    "<string>"
  ]
}
'

{
  "merchantOrderNo": "<string>",
  "orderNo": "<string>",
  "title": "<string>",
  "target": "<string>",
  "content": "<string>",
  "tradeType": "<string>",
  "tradeStatus": "<string>",
  "description": "<string>",
  "remark": "<string>",
  "createTime": 123,
  "updateTime": 123
}