GET /index.php/rest/V1/carts/mine/items HTTP/1.1
Content-Type: application/json

[
    {
        "item_id": 2094,
        "sku": "Food with option 6-AS-----",
        "qty": 2,
        "name": "Food with option 6",
        "price": 0,
        "product_type": "configurable",
        "quote_id": "1173",
        "product_option": {
            "extension_attributes": {
                "custom_options": [
                    {
                        "option_id": "2",
                        "option_value": "4"
                    },
                    {
                        "option_id": "3",
                        "option_value": "7,9"
                    },
                    {
                        "option_id": "4",
                        "option_value": "10,11,12"
                    }
                ],
                "configurable_item_options": [
                    {
                        "option_id": "155",
                        "option_value": 57
                    }
                ]
            }
        }
    }
]