{"type": {"key": "/type/work"}, "title": "Regulation of commodity exchanges", "subjects": ["Commodity exchanges", "United States"], "subject_places": ["United States"], "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL4528915A"}}], "key": "/works/OL38577367W", "latest_revision": 2, "revision": 2, "created": {"type": "/type/datetime", "value": "2024-07-16T07:51:13.295023"}, "last_modified": {"type": "/type/datetime", "value": "2025-11-23T03:47:32.112280"}}