task/item_cold_start/goodreads/tasks/task_27.json

{
  "type": "recommendation",
  "candidate_category": "book",
  "user_id": "51b39553989a6a08354d425b0b5208c4",
  "candidate_list": [
    "17567010",
    "20344902",
    "10843212",
    "222607",
    "23696338",
    "18174108",
    "987495",
    "22048804",
    "25489475",
    "9720692",
    "405635",
    "1835816",
    "1819656",
    "281272",
    "18527641",
    "18587255",
    "8727707",
    "32461501",
    "18905548",
    "18218549"
  ],
  "loc": [
    -1,
    -1
  ]
}