embeddedkeys.json

[

    {
        "_id": {
            "$ref": "failureCauses",
            "$id": {
                "$oid": "59d77bb190082e80279f3e71"
            }
        },
        "count": 30
    },
    {
        "_id": {
            "$ref": "failureCauses",
            "$id": {
                "$oid": "59db51d190082e80279f3ea9"
            }
        },
        "count": 18
    },
    {
        "_id": {
            "$ref": "failureCauses",
            "$id": {
                "$oid": "59db4cf590082e80279f3e72"
            }
        },
        "count": 1
    }

]