{"started": "2026-10-19T16:18:38.415621+08:00", "logged_in": true, "subscribed": ["TXFR1", "MXFR1", "TMFR1"], "last_tick": {"TMFR1": "2026-10-21T00:35:22.983000", "MXFR1": "2026-10-21T00:35:20.271000", "TXFR1": "2026-10-21T00:35:14.169000"}, "last_snapshot": "2026-10-21T00:00:01.755561+08:00", "last_backfill": "2026-10-20T13:50:18.549201+08:00", "errors": []}