{"type": {"key": "/type/author"}, "name": "john m. robertson", "key": "/authors/OL15414101A", "source_records": ["ia:lettersonreasoni0000john"], "latest_revision": 1, "revision": 1, "created": {"type": "/type/datetime", "value": "2025-05-06T14:53:41.253339"}, "last_modified": {"type": "/type/datetime", "value": "2025-05-06T14:53:41.253339"}}