[
  {
    "NewEntitlement": {
      "BookEntitlement": {
        "ActivePeriod": {
          "From": %STRING, timestamp | Timestamp at which the book became available to the user%
        },
        "IsRemoved": %BOOL | Is it deleted locally, but not online%,
        "Status": %STRING | Current book status, these status include "Active"%,
        "Accessibility": %STRING | How much of the book you're allowed to access, could be useful for previews or limited books%,
        "CrossRevisionId": %STRING, uuid | Unspecified UUID%,
        "RevisionId": %STRING, uuid | UUID of the current version of the book%,
        "IsHiddenFromArchive": %BOOL | Can it be archived?%,
        "Id": %STRING, uuid | Store UUID of the book%,
        "Created": %STRING, timestamp | When was the book first added to the  user's account%,
        "LastModified": %STRING, timestamp | When was the book last modified?%,
        "IsLocked": %BOOL | Probably for remote right management, but not sure%,
        "OriginCategory": %STRING | What category did the book come from? Example: "Free"%
      },
      "ReadingState": {
        "EntitlementId": %STRING, uuid | yet another book UUID%,
        "Created": %STRING, timestamp | When was the book first added to the device%,
        "LastModified": %STRING, timestamp | When was the book last modified?%,
        "StatusInfo": {
          "LastModified": %STRING, timestamp | When was the book last modified?%,
          "Status": %STRING | Book status, example "ReadyToRead"%,
          "TimesStartedReading": %INTEGER | How much time have you started to read the book%
        },
        "Statistics": {
          "LastModified":  %STRING, timestamp | When was the book last modified?%
        },
        "CurrentBookmark": {
          "LastModified":  %STRING, timestamp | When was the book last modified?%
        },
        "PriorityTimestamp":  %STRING, timestamp | Organizational timestamp to be sure that the book is always the latest version%
      },
      "BookMetadata": {
        "CrossRevisionId": %STRING, uuid | yet another book UUID%,
        "RevisionId": %STRING, uuid | UUID of the current version of the book%,
        "Publisher": {
          "Name": %STRING | Publisher's name%,
          "Imprint": ""
        },
        "PublicationDate": %STRING, timestamp | When was the book published?%,
        "Language": %STRING, ISO639-1 | What language is the book in?%,
        "Isbn": %STRING | Book ISBN%,
        "Genre": %STRING, uuid | Book's "genre" category%,
        "Slug": %STRING | book title stripped of special characters and without space%,
        "CoverImageId": %STRING, uuid | What is the UUID of the cover?%,
        "IsSocialEnabled": %BOOL | Can you share things about this book to social media?",
        "WorkId": %STRING, uuid | I have no idea, kobo has WAAAAAAAAY too many UUIDs%,
        "ExternalIds": %ARRAY | Not sure%,
        "IsPreOrder": %BOOL | Is it a preorder?%,
        "ContributorRoles": [
          {
            "Name": %STRING | Name of whoever worked on that book%
          }
        ],
        "IsInternetArchive": %BOOL | Does it come from the archive?%,
        "EntitlementId": %STRING, uuid | yet another book UUID%,
        "Title": %STRING | Book title%,
        "Description": %STRING | Short description of the book in HTML%
        "Categories": %STRING ARRAY, uuid | Contains the categories the book belongs to%,
        "DownloadUrls": [
          {
            "DrmType": "None",
            "Format": "EPUB_TABLEOFCONTENTS",
            "Url": %STRING | Store download URL and Token%,
            "Platform": %STRING | Target platform of the book, Kobos are treated as "Android", but "Generic" also exists%,
            "Size": %INTEGER | Size in bytes%
          },
          {
            "DrmType": "SignedNoDrm",
            "Format": "KEPUB",
            "Url": %STRING | Store download URL and Token%,
            "Platform": %STRING | Target platform of the book, Kobos are treated as "Android", but "Generic" also exists%,
            "Size": %INTEGER | Size in bytes%
          },
          {
            "DrmType": "None",
            "Format": "EPUB_SAMPLE",
            "Url": %STRING | Store download URL and Token%,
            "Platform": %STRING | Target platform of the book, Kobos are treated as "Android", but "Generic" also exists%,
            "Size": %INTEGER | Size in bytes%
          }
        ],
        "Contributors": [
          %STRING OBJECT | Authors/Contributors to the file%
        ],
        "Series": %OBJECT | Not sure%,
        "CurrentDisplayPrice": {
          "TotalAmount": %FLOAT | Price in-store%,
          "CurrencyCode": %STRING | Currency code, USD, CAD or EUR for example%
        },
        "CurrentLoveDisplayPrice": {
          "TotalAmount": %FLOAT | Price with "Kobo Love"%
        },
        "IsEligibleForKoboLove": %BOOL | Is the book affected by kobo love, what is it?%,
        "PhoneticPronunciations": %OBJECT | Not sure%
      }
    }
  },
  {
    "ChangedTag": {
      "Tag": {
        "Id": %STRING, uuid | Book tag UUID%,
        "Name": %STRING | Tag user-friendly name%,
        "Type": %STRING | Tag type, example: "SystemTag"%,
        "Items": [
          {
            "RevisionId": %STRING, uuid | Book revision UUID%,
            "Type": "ProductRevisionTagItem"
          },
          {
            "RevisionId": %STRING, uuid | Book revision UUID%,
            "Type": "ProductRevisionTagItem"
          },
          {
            "RevisionId": %STRING, uuid | Book revision UUID%,
            "Type": "ProductRevisionTagItem"
          },
          {
            %STRING, uuid | Book revision UUID%,
            "Type": "ProductRevisionTagItem"
          }
        ],
        %STRING, timestamp | When was the book first added to the store%,
        %STRING, timestamp | When was the book last modified%
      }
    }
  }
]