placements by campaign

[{
    "column_id": "campaign_servo_id",
    "groups": [{
        "count": 6,
        "value": "CA-HTNSAQA"
    }, {
        "count": 1,
        "value": "CA-BCHF3H4"
    }, {
        "count": 12,
        "value": "CA-MN42DGF"
    }, {
        "count": 8,
        "value": "CA-MN42FKF"
    }, {
        "count": 5,
        "value": "CA-SM32JEE"
    }, {
        "count": 1,
        "value": "CA-MN42F6F"
    }, {
        "count": 2,
        "value": "CA-PQ65T7H"
    }, {
        "count": 3,
        "value": "CA-SM32FCE"
    }]
}, {
    "column_id": "publisher_property_id",
    "groups": [{
        "count": 3,
        "value": "596",
        "parent": ["CA-HTNSAQA"]
    }, {
        "count": 2,
        "value": "599",
        "parent": ["CA-HTNSAQA"]
    }, {
        "count": 1,
        "value": "665",
        "parent": ["CA-HTNSAQA"]
    }, {
        "count": 3,
        "value": "596",
        "parent": ["CA-MN42DGF"]
    }, {
        "count": 2,
        "value": "840",
        "parent": ["CA-MN42DGF"]
    }, {
        "count": 1,
        "value": "1064",
        "parent": ["CA-MN42DGF"]
    }, {
        "count": 1,
        "value": "1075",
        "parent": ["CA-MN42DGF"]
    }, {
        "count": 1,
        "value": "601",
        "parent": ["CA-MN42DGF"]
    }, {
        "count": 1,
        "value": "665",
        "parent": ["CA-MN42DGF"]
    }, {
        "count": 1,
        "value": "888",
        "parent": ["CA-MN42DGF"]
    }, {
        "count": 1,
        "value": "599",
        "parent": ["CA-MN42DGF"]
    }, {
        "count": 1,
        "value": "1494",
        "parent": ["CA-MN42DGF"]
    }, {
        "count": 1,
        "value": "596",
        "parent": ["CA-BCHF3H4"]
    }, {
        "count": 1,
        "value": "603",
        "parent": ["CA-MN42FKF"]
    }, {
        "count": 2,
        "value": "596",
        "parent": ["CA-MN42FKF"]
    }, {
        "count": 1,
        "value": "737",
        "parent": ["CA-MN42FKF"]
    }, {
        "count": 1,
        "value": "776",
        "parent": ["CA-MN42FKF"]
    }, {
        "count": 1,
        "value": "599",
        "parent": ["CA-MN42FKF"]
    }, {
        "count": 1,
        "value": "742",
        "parent": ["CA-MN42FKF"]
    }, {
        "count": 1,
        "value": "1386",
        "parent": ["CA-MN42FKF"]
    }, {
        "count": 1,
        "value": "1497",
        "parent": ["CA-SM32JEE"]
    }, {
        "count": 1,
        "value": "1075",
        "parent": ["CA-SM32JEE"]
    }, {
        "count": 2,
        "value": "665",
        "parent": ["CA-SM32JEE"]
    }, {
        "count": 1,
        "value": "1494",
        "parent": ["CA-SM32JEE"]
    }, {
        "count": 1,
        "value": "596",
        "parent": ["CA-MN42F6F"]
    }, {
        "count": 1,
        "value": "1493",
        "parent": ["CA-PQ65T7H"]
    }, {
        "count": 1,
        "value": "1495",
        "parent": ["CA-PQ65T7H"]
    }, {
        "count": 1,
        "value": "1494",
        "parent": ["CA-SM32FCE"]
    }, {
        "count": 1,
        "value": "1495",
        "parent": ["CA-SM32FCE"]
    }, {
        "count": 1,
        "value": "1497",
        "parent": ["CA-SM32FCE"]
    }]
}]