{
  "comments": {
    "new": "ISBN: 1-930552-27-0"
  },
  "legacy": {
    "write_offset": {
      "new": "-647, -12",
      "old": "-12"
    }
  },
  "ring_codes": {
    "new": "IFPI 500A\nPSRM-022990\tH4 1A 02 IFPI L424 IFPI 7237",
    "old": "IFPI 500A"
  }
}