{
  "legacy": {
    "write_offset": {
      "new": "-647, +2",
      "old": "-647"
    }
  },
  "ring_codes": {
    "new": "PSRM-006550\t3 IFPI L330 A02 IFPI 502D\nPSRM-006550\t2 IFPI L330 IFPI 5084",
    "old": "PSRM-006550\t3 IFPI L330 A02 IFPI 502D"
  }
}