task/item_cold_start/goodreads/tasks/task_0.json

{
  "type": "recommendation",
  "candidate_category": "book",
  "user_id": "0359d318fcae5fbad74699ff3739c6bf",
  "candidate_list": [
    "17864389",
    "33312948",
    "29973777",
    "25818681",
    "225618",
    "464319",
    "2388996",
    "16137740",
    "262851",
    "22158750",
    "703752",
    "33534035",
    "966957",
    "23964194",
    "15853401",
    "496651",
    "788509",
    "3213044",
    "4675100",
    "1012824"
  ],
  "loc": [
    -1,
    -1
  ]
}1
  ]
}