task/item_cold_start/goodreads/tasks/task_49.json

{
  "type": "recommendation",
  "candidate_category": "book",
  "user_id": "8cfef4038a51f64fe472c280c357cb90",
  "candidate_list": [
    "13663573",
    "775068",
    "36000416",
    "26168047",
    "93174",
    "29539077",
    "20257154",
    "6936222",
    "33260193",
    "7032269",
    "13059600",
    "29349313",
    "3076248",
    "7805765",
    "801539",
    "294974",
    "17208143",
    "8499830",
    "33025206",
    "457011"
  ],
  "loc": [
    -1,
    -1
  ]
} -1
  ]
}