StatisticsIndicatorPayload(StatisticsIndicatorPayload)

{
    "indicator": "median-household-income",
    "name": "Median household income",
    "unit": "string",
    "period": "annual",
    "direction": "Macro",
    "place_types": [
        "country",
        "state",
        "county"
    ],
    "first": "string",
    "last": "string",
    "sources": [
        {
            "id": "census-bureau",
            "name": "U.S. Census Bureau",
            "url": "string",
            "method": "string"
        }
    ]
}