Sample Response: JSON

{
    "boundaries": {
        "boundary": [
            {
                "boundaryId": "090010729001",
                "boundaryType": "USA_BLOCKGROUP",
                "boundaryRef": "2010_census"
            },
            {
                "boundaryId": "090010729003",
                "boundaryType": "USA_BLOCKGROUP",
                "boundaryRef": "2010_census"
            },
            {
                "boundaryId": "090010730001",
                "boundaryType": "USA_BLOCKGROUP",
                "boundaryRef": "2010_census"
            },
            {
                "boundaryId": "090010731003",
                "boundaryType": "USA_BLOCKGROUP",
                "boundaryRef": "2010_census"
            },
            {
                "boundaryId": "090010732002",
                "boundaryType": "USA_BLOCKGROUP",
                "boundaryRef": "2010_census"
            },
            {
                "boundaryId": "090010733002",
                "boundaryType": "USA_BLOCKGROUP",
                "boundaryRef": "2010_census"
            },
            {
                "boundaryId": "090010734001",
                "boundaryType": "USA_BLOCKGROUP",
                "boundaryRef": "2010_census"
            },
            {
                "boundaryId": "090010734002",
                "boundaryType": "USA_BLOCKGROUP",
                "boundaryRef": "2010_census"
            },
            {
                "boundaryId": "090010801001",
                "boundaryType": "USA_BLOCKGROUP",
                "boundaryRef": "2010_census"
            },
            {
                "boundaryId": "090010801002",
                "boundaryType": "USA_BLOCKGROUP",
                "boundaryRef": "2010_census"
            },
            {
                "boundaryId": "090010801004",
                "boundaryType": "USA_BLOCKGROUP",
                "boundaryRef": "2010_census"
            },
            {
                "boundaryId": "090010808002",
                "boundaryType": "USA_BLOCKGROUP",
                "boundaryRef": "2010_census"
            },
            {
                "boundaryId": "090010810002",
                "boundaryType": "USA_BLOCKGROUP",
                "boundaryRef": "2010_census"
            },

        {}