task/user_cold_start/goodreads/tasks/task_19.json

{
  "type": "recommendation",
  "candidate_category": "book",
  "user_id": "290a56d8a6dab64b23ad7bb8002534e6",
  "candidate_list": [
    "11293489",
    "6014298",
    "22119411",
    "8035717",
    "9883104",
    "10003586",
    "7767602",
    "7362775",
    "13090290",
    "10247889",
    "13788791",
    "15041822",
    "25141686",
    "2892725",
    "7986827",
    "6055161",
    "13644133",
    "286130",
    "19079835",
    "17233919"
  ],
  "loc": [
    -1,
    -1
  ]
}