{
  "comments": {
    "new": "ISBN: 0-87321-133-2"
  },
  "error_count": {
    "new": "1"
  },
  "ring_codes": {
    "new": "PSRM-002150\t1 IFPI L330 A08, A09 IFPI 5087, IFPI 5090",
    "old": "PSRM-002150 1 IFPI L330 A09 IFPI 5087"
  }
}