task/user_cold_start/goodreads/tasks/task_51.json

{
  "type": "recommendation",
  "candidate_category": "book",
  "user_id": "794b152b99c64d0b8c0647efbc5d61ac",
  "candidate_list": [
    "2188944",
    "18191276",
    "15744432",
    "16250711",
    "1671757",
    "486638",
    "18667639",
    "27279087",
    "2726427",
    "356343",
    "22710",
    "78411",
    "16194040",
    "9707809",
    "11076259",
    "11060145",
    "1513336",
    "6345776",
    "17050372",
    "30622148"
  ],
  "loc": [
    -1,
    -1
  ]
}