[
  {
    "type": "series_url_access_restriction",
    "key": "NATIONAL_LICENSE",
    "text": "National License"
  },
  {
    "type": "series_url_access_restriction",
    "key": "PERPETUAL_ACCESS_SUBSCRIPTION",
    "text": "Perpetual access subscription"
  },
  {
    "type": "series_url_access_restriction",
    "key": "PERPETUAL_ACCESS_BACKFILES",
    "text": "Perpetual access backfiles"
  },
  {
    "type": "series_url_access_restriction",
    "key": "PACKAGE_DEAL",
    "text": "Package deal"
  }
]
