CatalogItemDimensionsByMarketplace

{
    "marketplaceId": "ATVPDKIKX0DER",
    "item": {
        "height": {
            "unit": "inches",
            "value": 10.5
        },
        "length": {
            "unit": "inches",
            "value": 10.5
        },
        "weight": {
            "unit": "inches",
            "value": 10.5
        },
        "width": {
            "unit": "inches",
            "value": 10.5
        }
    },
    "package": {
        "height": {
            "unit": "inches",
            "value": 10.5
        },
        "length": {
            "unit": "inches",
            "value": 10.5
        },
        "weight": {
            "unit": "inches",
            "value": 10.5
        },
        "width": {
            "unit": "inches",
            "value": 10.5
        }
    }
}