{
  "comments": {
    "new": "ISBN: 1-55345-059-0"
  },
  "error_count": {
    "new": "83",
    "old": "0"
  },
  "ring_codes": {
    "new": "IFPI 5009\nIFPI 50D9\nPSRM-021440\t4 IFPI L327 A01 IFPI 50E0",
    "old": "IFPI 5009\nIFPI 50D9"
  }
}