RecipientInput

{
  "first_name": "<string>",
  "last_name": "<string>",
  "email": "<string>",
  "phone": "<string>",
  "mailing_address": {
    "first_name": "<string>",
    "last_name": "<string>",
    "address_1": "<string>",
    "address_2": "<string>",
    "city": "<string>",
    "state": "<string>",
    "postal_code": "<string>",
    "country": "<string>"
  }
}