{
  "comments": {
    "new": "ISBN: 1-55345-855-9"
  },
  "error_count": {
    "new": "0"
  },
  "legacy": {
    "write_offset": {
      "new": "0"
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  },
  "ring_codes": {
    "new": "CD 10-93548 IFPI V504",
    "old": "CD 10-93548"
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  "version": {
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}