{
  "legacy": {
    "write_offset": {
      "new": "+4, -523|-522",
      "old": "-523|-522"
    }
  },
  "ring_codes": {
    "new": "T-38701M-0020\t2MB1\tC\t8Z IFPI L223 IFPI 3903, IFPI 3938\nT-38701M-0020\t1MB1\tC\t8Z IFPI L223 IFPI 3938",
    "old": "T-38701M-0020\t2MB1\tC\t8Z IFPI L223 IFPI 3903, IFPI 3938"
  }
}