curl --request POST \
  --url https://uat-interface.haipay.asia/{currency}/account/ledger \
  --header 'Content-Type: application/json' \
  --data '
{
  "appId": 123,
  "sign": "<string>"
}
'

{
  "status": "<string>",
  "error": "<string>",
  "msg": "<string>",
  "data": {
    "bal": "<string>",
    "availableBal": "<string>",
    "frzBal": "<string>",
    "unSettleBal": "<string>",
    "sign": "<string>"
  }
}