{"started": "2026-10-19T16:18:38.415621+08:00", "logged_in": true, "subscribed": ["TXFR1", "MXFR1", "TMFR1"], "last_tick": {"TMFR1": "2026-10-23T01:45:37.393000", "MXFR1": "2026-10-23T01:45:37.394000", "TXFR1": "2026-10-23T01:45:37.195000"}, "last_snapshot": "2026-10-23T01:00:00.423780+08:00", "last_backfill": "2026-10-22T13:50:38.796115+08:00", "errors": []}