task/user_cold_start/goodreads/tasks/task_30.json

{
  "type": "recommendation",
  "candidate_category": "book",
  "user_id": "492a0fb4e5583c5bf13e630e0b25af1e",
  "candidate_list": [
    "18588182",
    "1554142",
    "12385912",
    "2535308",
    "727380",
    "30835098",
    "29382664",
    "6935853",
    "30331468",
    "1317399",
    "12994257",
    "13594577",
    "30971733",
    "733569",
    "1570993",
    "445623",
    "1344002",
    "26404868",
    "16115156",
    "1471453"
  ],
  "loc": [
    -1,
    -1
  ]
}