{"type": {"key": "/type/work"}, "title": "\u570b\u6b4c\u306e\u80ce\u751f\u53ca\u3073\u767c\u9054", "subjects": ["Waka", "History and criticism", "National songs"], "subject_places": ["Japan"], "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL1250834A"}}], "key": "/works/OL45965635W", "latest_revision": 1, "revision": 1, "created": {"type": "/type/datetime", "value": "2026-09-08T05:19:53.858899"}, "last_modified": {"type": "/type/datetime", "value": "2026-09-08T05:19:53.858899"}}