task/user_cold_start/goodreads/tasks/task_4.json

{
  "type": "recommendation",
  "candidate_category": "book",
  "user_id": "0ee87269f3826c61f4adcd5d4ec20e03",
  "candidate_list": [
    "9938969",
    "25439115",
    "23310699",
    "29477528",
    "35009797",
    "504912",
    "17228138",
    "403060",
    "18336840",
    "6707992",
    "1133082",
    "22729287",
    "2216823",
    "7038368",
    "6882762",
    "35661338",
    "27983510",
    "36273016",
    "109416",
    "18361252"
  ],
  "loc": [
    -1,
    -1
  ]
}