task/item_cold_start/goodreads/tasks/task_19.json

{
  "type": "recommendation",
  "candidate_category": "book",
  "user_id": "34acef4524ac96e0660bce8e9e7af88b",
  "candidate_list": [
    "1543949",
    "18492211",
    "15988982",
    "811351",
    "8438034",
    "20402925",
    "371372",
    "16082264",
    "292661",
    "26203809",
    "22853268",
    "34541754",
    "325883",
    "179948",
    "2467244",
    "21532199",
    "9996907",
    "31522242",
    "17785975",
    "7871291"
  ],
  "loc": [
    -1,
    -1
  ]
}