gistfile1.txt

{
  "version": 1,
  "dimensions": [
    {
      "field_name": "reason",
      "allowed_values": ["saved-session"]
    },
    {
      "field_name": "appName",
      "allowed_values": ["Firefox"]
    },
    {
      "field_name": "appUpdateChannel",
      "allowed_values": ["nightly", "aurora"]
    },
    {
      "field_name": "appVersion",
      "allowed_values": "*"
    },
    {
      "field_name": "appBuildID",
      "allowed_values": "*"
    },
    {
      "field_name": "submission_date",
      "allowed_values": {
        "min": "20140212",
        "max": "20140213"
      }
    }
  ]
}