task/user_cold_start/goodreads/tasks/task_13.json

{
  "type": "recommendation",
  "candidate_category": "book",
  "user_id": "239e828cb401dad723106ae2ed0f0297",
  "candidate_list": [
    "18816945",
    "28818333",
    "2890782",
    "24707059",
    "9528243",
    "6616505",
    "26266813",
    "1906143",
    "957629",
    "17289808",
    "25449089",
    "2611543",
    "34443968",
    "613547",
    "18209483",
    "20899791",
    "929287",
    "7028611",
    "8710039",
    "25835553"
  ],
  "loc": [
    -1,
    -1
  ]
}