{"type": {"key": "/type/work"}, "title": "Il mistero della tomba di Federico II", "subjects": ["Fiction"], "subject_people": ["Frederick II Holy Roman Emperor (1194-1250)"], "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL1049227A"}, "role": "author."}], "key": "/works/OL45757322W", "latest_revision": 1, "revision": 1, "created": {"type": "/type/datetime", "value": "2026-07-12T06:14:16.407924"}, "last_modified": {"type": "/type/datetime", "value": "2026-07-12T06:14:16.407924"}}