{"type": {"key": "/type/author"}, "name": "Arto Virtanen", "birth_date": "1947", "entity_type": "person", "key": "/authors/OL16671069A", "source_records": ["marc:marc_fennica/Fennica-bib-20260413.mrc:28388779:880"], "latest_revision": 1, "revision": 1, "created": {"type": "/type/datetime", "value": "2026-11-11T13:55:00.862486"}, "last_modified": {"type": "/type/datetime", "value": "2026-11-11T13:55:00.862486"}}