{
"billStartDate": "2019-08-24",
"billEndDate": "2019-08-24",
"remarks": "string",
"bankCardId": "string",
"billNumber": "string",
"numberOfUnits": 0,
"latePaymentFee": {
"present": true
},
"penalty": {
"present": true
},
"earlyDiscount": {
"present": true
},
"validationId": {
"present": true
},
"amount": 0
}