task/item_cold_start/goodreads/tasks/task_31.json

{
  "type": "recommendation",
  "candidate_category": "book",
  "user_id": "535b5b68e4dda07671b0e32f29ad9408",
  "candidate_list": [
    "9672504",
    "6089021",
    "29354461",
    "650030",
    "2747307",
    "3056691",
    "2770813",
    "35500611",
    "13581425",
    "1345042",
    "728325",
    "22929743",
    "29187752",
    "23129421",
    "16087307",
    "13546420",
    "2776385",
    "29857849",
    "183156",
    "517617"
  ],
  "loc": [
    -1,
    -1
  ]
}
}