OnlineBankingReq

{
    "merchantOrderId": "AC71EC46019F49BBA7B61176E96843B4",
    "desc": "Airtime Recharge 100NGN",
    "amount": 10000,
    "payerUserId": "john.doe@gmail.com",
    "payerName": "Li Leng",
    "notifyUrl": "https://example.com/notify",
    "payType": 1
}