PaymentSource

{
    "type": "CARD",
    "number": "string",
    "expiryMonth": 0,
    "expiryYear": 0,
    "name": "string",
    "cvv": "string",
    "billingAddress": {
        "addressLine1": "string",
        "addressLine2": "string",
        "city": "string",
        "state": "string",
        "zip": "string",
        "country": "string"
    },
    "accountHolder": {
        "type": "INDIVIDUAL",
        "firstName": "string",
        "middleName": "string",
        "lastName": "string"
    },
    "phone": {
        "countryCode": "string",
        "number": "string"
    }
}