task/user_cold_start/goodreads/tasks/task_0.json

{
  "type": "recommendation",
  "candidate_category": "book",
  "user_id": "0545857705845654d5846122f89bc5bf",
  "candidate_list": [
    "11912098",
    "25846803",
    "18143841",
    "18627434",
    "25921855",
    "22642363",
    "537287",
    "595982",
    "29902388",
    "6699962",
    "11333895",
    "20701984",
    "24517122",
    "30248469",
    "19379297",
    "23281936",
    "25558641",
    "23521608",
    "8000872",
    "223208"
  ],
  "loc": [
    -1,
    -1
  ]
}