obj_pivot_meta

{
    "columns": [
        {
            "field": "string",
            "displayName": "string",
            "granularity": 0,
            "includeEmpty": true
        }
    ],
    "rows": [
        {
            "field": "string",
            "displayName": "string",
            "granularity": 0,
            "includeEmpty": true
        }
    ],
    "values": [
        {
            "field": "string",
            "displayName": "string",
            "aggregation": "string",
            "includeEmpty": true
        }
    ]
}