{
  "barcode": {
    "new": "8 712823 016169",
    "old": "8712823016169"
  },
  "comments": {
    "new": "ISBN: 9055824771"
  },
  "legacy": {
    "write_offset": {
      "new": "-12"
    }
  },
  "ring_codes": {
    "new": "DOCdata DAVI VARACV101 IFPI L182",
    "old": "DOCdata DAVI VARACV101"
  }
}