{
  "comments": {
    "new": "ISBN: 1-57629-123-5"
  },
  "legacy": {
    "write_offset": {
      "new": "-647"
    }
  },
  "ring_codes": {
    "new": "IFPI 5021\nPSRM-000560 IFPI 503E\nPSRM-000560\t3 IFPI L330 IFPI 5017",
    "old": "IFPI 5021\nPSRM-000560 IFPI 503E"
  }
}