{"title": "ETF Handbook", "subjects": ["Mutual funds", "Investments", "Exchange traded funds"], "key": "/works/OL21418677W", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL8198442A"}}], "type": {"key": "/type/work"}, "latest_revision": 3, "revision": 3, "created": {"type": "/type/datetime", "value": "2020-08-20T10:42:16.780251"}, "last_modified": {"type": "/type/datetime", "value": "2023-01-02T20:01:34.792708"}}