task/user_cold_start/goodreads/tasks/task_26.json

{
  "type": "recommendation",
  "candidate_category": "book",
  "user_id": "3e0cf7d1e90f844164a033648a766e09",
  "candidate_list": [
    "252284",
    "29936708",
    "29499037",
    "27773875",
    "11474556",
    "290515",
    "21292999",
    "2449004",
    "17333426",
    "1876444",
    "7227435",
    "1596765",
    "23242336",
    "17321957",
    "390092",
    "25132332",
    "985490",
    "26531537",
    "5387461",
    "3505981"
  ],
  "loc": [
    -1,
    -1
  ]
}