{
  "columns": [
    "invoiceDate$id",
    "invoiceAmount",
    "invoiceAmount__rolling_30d"
  ],
  "groupBy": [
    "invoiceDate$id"
  ],
  "orderBy": [
    "invoiceDate$id"
  ],
  "timeWindow": {
    "field": "invoiceDate$id",
    "grain": "day",
    "comparison": "rolling_30d",
    "range": "[)",
    "value": [
      "2012-11-15",
      "2012-12-01"
    ],
    "targetMetrics": [
      "invoiceAmount"
    ]
  },
  "limit": 500
}