{
  "comments": {
    "new": "ISBN: 0-97294-251-3"
  },
  "error_count": {
    "new": "0"
  },
  "legacy": {
    "write_offset": {
      "new": "-12"
    }
  },
  "ring_codes": {
    "new": "PSRM-025470\tH4 1A 01 IFPI L424 IFPI 720N"
  }
}