{ "patient": { "firstName": "Jane", "lastName": "Doe", "dateOfBirth": "1985-04-15", "gender": "FEMALE", "memberId": "ABC123456789" }, "provider": { "npi": "1234567890", "firstName": "John", "lastName": "Smith" }, "payer": { "payerId": "00019", "payerName": "United Healthcare" }, "encounter": { "date_of_service": "2026-06-12", "service_type_codes": [ "30" ] } }