curl --location 'https://openapi.dajisaas.com/poizonV2/prepayment/queryPrepaymentBalance?appKey=&appSecret=&sign='
{ "code": 200, "message": "success", "data": { "imoneyDTO": { "amount": "1000000", "minUnitVal": 1000000, "currency": "CNY" } }, "timestamp": 1767000000123, "traceId": "abc123", "cost": 50 }
