task/classic/goodreads/tasks/task_2.json

{
    "type": "recommendation",
    "user_id": "c987231e16b4f468aef811516652a3b0",
    "candidate_category": "book",
    "candidate_list": [
        "23361450",
        "25058886",
        "16670054",
        "13237799",
        "561535",
        "24329280",
        "18748894",
        "28251327",
        "1058137",
        "1447281",
        "3391784",
        "36174464",
        "485124",
        "30287217",
        "17726570",
        "18530164",
        "605548",
        "7760237",
        "1589016",
        "1813630"
    ],
    "loc": [
        -1,
        -1
    ],
    "data type": "real"
}