task/item_cold_start/goodreads/tasks/task_15.json

{
  "type": "recommendation",
  "candidate_category": "book",
  "user_id": "2f5b26badca84247bcfbb660be79b85a",
  "candidate_list": [
    "31695449",
    "7864625",
    "10246461",
    "12954028",
    "1002520",
    "525242",
    "6735551",
    "758500",
    "29492042",
    "27189095",
    "18663382",
    "20317193",
    "15992533",
    "6529195",
    "11052237",
    "31295319",
    "32560363",
    "15997621",
    "34445183",
    "7952141"
  ],
  "loc": [
    -1,
    -1
  ]
}