CashChargeInitRequest(CashChargeInitRequest)

{
    "amount": {
        "currency": "PEN",
        "subtotalIva": 0,
        "subtotalIva0": 59.9,
        "iva": 0,
        "ice": 0
    },
    "contactDetails": {
        "firstName": "Juan",
        "lastName": "Pérez",
        "email": "usuario@ejemplo.com",
        "documentType": "DNI",
        "documentNumber": "12345678",
        "phoneNumber": "+51987654321"
    }
}