task/user_cold_start/goodreads/tasks/task_48.json

{
  "type": "recommendation",
  "candidate_category": "book",
  "user_id": "7674cee6c9e18746fce51cac75c0d61c",
  "candidate_list": [
    "7771",
    "12063131",
    "1790964",
    "19639650",
    "1700004",
    "1109535",
    "849152",
    "11491513",
    "32857409",
    "17387443",
    "964985",
    "370470",
    "8038239",
    "3685",
    "35709062",
    "4307698",
    "6437654",
    "25813518",
    "437888",
    "546131"
  ],
  "loc": [
    -1,
    -1
  ]
}