{"meta": {"count": 316775762, "db_response_time_ms": 400, "page": 1, "per_page": 200, "groups_count": 2, "x_query": {"oql": "works group by indexed by MAG only", "oqo": {"get_rows": "works", "group_by": [{"column_id": "mag_only"}]}, "url": "/works?group_by=mag_only"}, "cost_usd": 0.0001}, "group_by": [{"key": "true", "key_display_name": "true", "count": 79947015}, {"key": "false", "key_display_name": "false", "count": 221685979}]}