{ "values": [
    {
        "index_1": "index1",
        "index_2": "index2",
        "value": "value1",
        "created_at": "1393450000"
    },
    {
        "index_1": "index1",
        "index_2": "index2",
        "value": "value2",
        "created_at": "1393460000"
    },
    {
        "index_1": "index1",
        "index_2": "other index 2",
        "value": "value3",
        "created_at": "1393470000"
    },
    {
        "index_1": "other index 1",
        "index_2": "index2",
        "value": "value4",
        "created_at": "1393480000"
    }
]}
