{"started": "2026-10-19T16:18:38.415621+08:00", "logged_in": true, "subscribed": ["TXFR1", "MXFR1", "TMFR1"], "last_tick": {"TMFR1": "2026-10-20T18:32:09.336000", "MXFR1": "2026-10-20T18:32:00.232000", "TXFR1": "2026-10-20T18:31:33.021000"}, "last_snapshot": "2026-10-20T18:00:06.654540+08:00", "last_backfill": "2026-10-20T13:50:18.549201+08:00", "errors": []}