{
    "_id" : ObjectId("53c0de12f030e95ca86ea2c7"),
    "owner" : "cdblunc",
    "metric" : "metric_0",
    "groupByArguments" : [
        "ticker",
        "trader"
    ],
    "durationInSeconds" : 300,
    "lastSummaryDate" : 0,
    "boundaryInSeconds" : 60
}