BuyerParty

{
    "name": "Kunde GmbH",
    "company_supplement": "z. Hd. Einkauf",
    "street": "Hauptstr. 5",
    "postal_code": "54321",
    "city": "Hamburg",
    "country_code": "DE",
    "email": "buyer@example.com",
    "electronic_address_scheme": "EM",
    "contact_name": "Einkauf"
}