{"type": {"key": "/type/author"}, "name": "Mark Twain", "key": "/authors/OL9937375A", "source_records": ["amazon:9752860958"], "latest_revision": 4, "revision": 4, "created": {"type": "/type/datetime", "value": "2021-11-03T21:08:16.613386"}, "last_modified": {"type": "/type/datetime", "value": "2026-03-30T12:59:38.451996"}}