{
  "comments": {
    "new": "ISBN: 0-7677-2834-3"
  },
  "error_count": {
    "new": "0"
  },
  "legacy": {
    "write_offset": {
      "new": "+2"
    }
  },
  "ring_codes": {
    "new": "PSRM-007560\tF4 1A 02 IFPI L424 IFPI 7249"
  }
}