{"database": "saraphina", "table": "oura_heartrate", "rows": [["2026-01-31T02:10:55.400Z", 95, "workout"]], "columns": ["timestamp", "bpm", "source"], "primary_keys": ["timestamp", "bpm"], "primary_key_values": ["2026-01-31T02:10:55.400Z", "95"], "units": {}, "query_ms": 0.32966025173664093}