task/item_cold_start/goodreads/tasks/task_26.json

{
  "type": "recommendation",
  "candidate_category": "book",
  "user_id": "4a27ebb889f04906c57e61da8f715d49",
  "candidate_list": [
    "6897188",
    "1354312",
    "10875694",
    "33107673",
    "17409595",
    "683952",
    "2529437",
    "6069905",
    "34892210",
    "275000",
    "1964995",
    "240410",
    "9480669",
    "17983261",
    "18982417",
    "473715",
    "16153581",
    "7009779",
    "301096",
    "31386645"
  ],
  "loc": [
    -1,
    -1
  ]
}}