task/item_cold_start/goodreads/tasks/task_40.json

{
  "type": "recommendation",
  "candidate_category": "book",
  "user_id": "6e3e29a0aa6f43cbb67f072c82756a82",
  "candidate_list": [
    "7852909",
    "1416778",
    "1841243",
    "27287179",
    "74412",
    "31321060",
    "17699660",
    "15815841",
    "23303938",
    "1920101",
    "1125397",
    "2621019",
    "806611",
    "12830430",
    "7008830",
    "629849",
    "6138657",
    "26868500",
    "27240308",
    "9696795"
  ],
  "loc": [
    -1,
    -1
  ]
}