task/user_cold_start/goodreads/tasks/task_52.json

{
  "type": "recommendation",
  "candidate_category": "book",
  "user_id": "79a3acf2834e38a1ba6b123196a02d49",
  "candidate_list": [
    "15894886",
    "8066718",
    "575523",
    "36211945",
    "1602706",
    "13039562",
    "457597",
    "8500889",
    "25729888",
    "440602",
    "17987674",
    "5263806",
    "24510290",
    "16135571",
    "294960",
    "8678183",
    "20789464",
    "7279968",
    "26263609",
    "36316310"
  ],
  "loc": [
    -1,
    -1
  ]
}