{"type": {"key": "/type/work"}, "title": "Serebri\ufe20a\ufe21nai\ufe20a\ufe21 Bulgarii\ufe20a\ufe21", "subjects": ["History", "Civilization", "Bulgars (Turkic people)"], "subject_places": ["Tatarstan (Russia)", "Russia (Federation)", "Volga River Region"], "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL6208923A"}}], "key": "/works/OL32407529W", "latest_revision": 1, "revision": 1, "created": {"type": "/type/datetime", "value": "2022-12-17T09:53:54.332021"}, "last_modified": {"type": "/type/datetime", "value": "2022-12-17T09:53:54.332021"}}