task/user_cold_start/goodreads/tasks/task_45.json

{
  "type": "recommendation",
  "candidate_category": "book",
  "user_id": "6ad8cebb5bdc01d07c386528438a8d9d",
  "candidate_list": [
    "6930774",
    "18690395",
    "12979515",
    "31140432",
    "1395493",
    "28231510",
    "384562",
    "15867439",
    "25453558",
    "7276264",
    "12708326",
    "16087467",
    "933065",
    "16235325",
    "15942773",
    "17725860",
    "5",
    "21420179",
    "233852",
    "1089021"
  ],
  "loc": [
    -1,
    -1
  ]
}