CatalogItemRelationship

{
    "type": "VARIATION",
    "childAsins": [
        "B00U26V4VQ",
        "B08T8YZ49Z"
    ],
    "parentAsins": [
        "B08T8YZ47X"
    ],
    "variationTheme": {
        "attributes": [
            "Color",
            "Size"
        ],
        "theme": "ColorSize"
    }
}