task/item_cold_start/goodreads/tasks/task_20.json

{
  "type": "recommendation",
  "candidate_category": "book",
  "user_id": "37ea6ebb7a67761813b2ac9c0e6b617e",
  "candidate_list": [
    "27421873",
    "552823",
    "18667135",
    "18589362",
    "19545347",
    "24056",
    "1102286",
    "10617452",
    "6597508",
    "981557",
    "22064780",
    "10316435",
    "6542520",
    "24264668",
    "27037253",
    "18584795",
    "9565669",
    "20347312",
    "14931734",
    "348627"
  ],
  "loc": [
    -1,
    -1
  ]
}