{"database": "audit", "table": "poll_heartbeats", "rows": [[8, "2026-05-07T13:13:28.316497Z", "bc:systemlog", "ok", null, 2]], "columns": ["id", "heartbeat_at", "source", "status", "detail", "events_emitted"], "primary_keys": ["id"], "primary_key_values": ["8"], "units": {}, "query_ms": 1.4725879300385714}