task/user_cold_start/goodreads/tasks/task_42.json

{
  "type": "recommendation",
  "candidate_category": "book",
  "user_id": "6263d4485413e7cf2453c97358d8e603",
  "candidate_list": [
    "9825620",
    "1416332",
    "11062262",
    "1704746",
    "15814362",
    "26802634",
    "6413991",
    "6707734",
    "536034",
    "412658",
    "16132084",
    "109137",
    "26247053",
    "25555684",
    "1572057",
    "1613729",
    "94844",
    "10437493",
    "15777171",
    "1791800"
  ],
  "loc": [
    -1,
    -1
  ]
}