Payment Instance
GET /v1/paymentmethod/6/?format=api
https://testilinkedevents-api.turku.fi/v1/paymentmethod/6/?format=api", "@context": "http://schema.org", "@type": "PaymentMethod" }{ "id": "6", "name": { "fi": "MobilePay", "sv": "MobilePay", "en": "MobilePay" }, "@id": "