{
  "comments": {
    "new": "ISBN: 0-7435-0764-9"
  },
  "legacy": {
    "write_offset": {
      "new": "-12"
    }
  },
  "ring_codes": {
    "new": "PSRM-021210\tH4 1A 02 IFPI L424 IFPI 72012"
  }
}