task/user_cold_start/goodreads/tasks/task_3.json

{
  "type": "recommendation",
  "candidate_category": "book",
  "user_id": "0c769e42a77799764e01a6acba0d4db1",
  "candidate_list": [
    "8561062",
    "12060861",
    "5341205",
    "707742",
    "1468964",
    "33002582",
    "3276008",
    "347804",
    "1455035",
    "17074991",
    "2200542",
    "405058",
    "28954197",
    "14540157",
    "27202209",
    "1424309",
    "18554574",
    "1055868",
    "296211",
    "25699284"
  ],
  "loc": [
    -1,
    -1
  ]
}