{
  "barcode": {
    "new": "6 25904 51850 7, 6 25904 99999 3",
    "old": "6 25904 99999 3"
  },
  "comments": {
    "new": "ISBN: 1-55345-803-6"
  },
  "error_count": {
    "new": "0"
  },
  "legacy": {
    "write_offset": {
      "new": "0"
    }
  },
  "ring_codes": {
    "new": "CD 10-86992-LJ23\nCD\t10-86992-LJ23 IFPI V503",
    "old": "CD 10-86992-LJ23"
  }
}