task/user_cold_start/goodreads/tasks/task_23.json

{
  "type": "recommendation",
  "candidate_category": "book",
  "user_id": "3621de041d7ce6512cb6230ddccb1d10",
  "candidate_list": [
    "1672816",
    "13323892",
    "27986676",
    "341927",
    "2481501",
    "77967",
    "270907",
    "1211639",
    "19043155",
    "839277",
    "86640",
    "1742547",
    "32682106",
    "21420261",
    "31707318",
    "18141448",
    "1810544",
    "22910686",
    "30733180",
    "13608219"
  ],
  "loc": [
    -1,
    -1
  ]
}