{"database": "saraphina", "table": "oura_heartrate", "rows": [["2026-01-31T00:52:43.000Z", 72, "awake"]], "columns": ["timestamp", "bpm", "source"], "primary_keys": ["timestamp", "bpm"], "primary_key_values": ["2026-01-31T00:52:43.000Z", "72"], "units": {}, "query_ms": 0.3436002880334854}