task/user_cold_start/goodreads/tasks/task_38.json

{
  "type": "recommendation",
  "candidate_category": "book",
  "user_id": "579f53236313b164edb2f817ab707b39",
  "candidate_list": [
    "6055959",
    "21878187",
    "8251195",
    "22718749",
    "20120537",
    "6428196",
    "2829405",
    "2193583",
    "18165850",
    "13158206",
    "29528549",
    "22550414",
    "3451641",
    "20702436",
    "26218652",
    "28634264",
    "16208882",
    "23513349",
    "31307161",
    "633524"
  ],
  "loc": [
    -1,
    -1
  ]
}