{"type": {"key": "/type/author"}, "name": "Pekka Niskanen", "birth_date": "1935", "death_date": "2020", "entity_type": "person", "key": "/authors/OL16680425A", "source_records": ["marc:marc_fennica/Fennica-bib-20260413.mrc:51692530:1733"], "latest_revision": 1, "revision": 1, "created": {"type": "/type/datetime", "value": "2026-11-11T23:06:15.146251"}, "last_modified": {"type": "/type/datetime", "value": "2026-11-11T23:06:15.146251"}}