PromoterTypeOfferInputCreate

{
    "email": "user@example.com",
    "language": {
        "code": "EN"
    },
    "firstName": "string",
    "lastName": "string",
    "voucherCode": "string",
    "signupReference": "string",
    "type": {
        "code": "offer"
    },
    "offer": {
        "sid": "abc123"
    }
}