Get a Collection

{
    "collection": {
        "id": "pcol_01F0YESBFAZ0DV6V831JXWH0BG",
        "title": "Summer Collection",
        "handle": "summer-collection",
        "created_at": "2019-08-24T14:15:22Z",
        "updated_at": "2019-08-24T14:15:22Z",
        "deleted_at": "2019-08-24T14:15:22Z",
        "products": [
            {}
        ],
        "metadata": {
            "car": "white"
        }
    }
}