task/long_term/goodreads/tasks/task_4.json

{
    "type": "recommendation",
    "user_id": "0c2b160d87e86f1311db37ea87c4c04e",
    "candidate_category": "book",
    "candidate_list": [
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        "6420025",
        "1102990",
        "29058935",
        "15793512",
        "9545722",
        "15984731",
        "21432363",
        "1349866",
        "3133850",
        "32660375",
        "68419",
        "36038984",
        "15777533"
    ],
    "loc": [
        -1,
        -1
    ],
    "data type": "real"
}