{
  "defaults": {
    "tabTime": 30,
    "tabRefresh": true,
    "masterRefresh": 86400
  },
  "screens": {
    "screen0": {
      "urls": {
        "http://www.example.com/": {"tabRefresh": false},
        "http://news.bbc.co.uk/": {}
      }
    },
    "screen1": {
      "tabTime": 60,
      "urls": {
        "http://www.google.com/": {}
      }
    }
  }
}