{
"requestHeader": {
"applicationName": "string",
"applicationPwd": "string",
"transactionDateTime": "string",
"transactionId": "string",
"clientIPAddress": "string"
},
"extraParameters": [
{
"key": "string",
"value": "string"
}
],
"merchantCode": "string",
"target": "string",
"transactionType": "string",
"amount": "string",
"cardId": "string",
"cardToken": "string",
"installmentCount": 0,
"msisdn": "string"
}