{
  "legacy": {
    "write_offset": {
      "new": "-12, 0",
      "old": "-12"
    }
  },
  "ring_codes": {
    "new": "B9007 ESS337 01\tWWW.TIB.CO.UK IFPI LP56 IFPI 2Z10\nMPO\t2234798 01 JUN 01 @@\t20010613 1453 @@ 4 IFPI L032 01 IFPI 122E\nPCT02489 R3R IFPI L241 01 IFPI 4121",
    "old": "B9007 ESS337 01\tWWW.TIB.CO.UK IFPI LP56 IFPI 2Z10\nMPO\t2234798 01 JUN 01 @@\t20010613 1453 @@ 4 IFPI L032 01 IFPI 122E"
  },
  "serial": {
    "new": "02489, ESS337",
    "old": "ESS337"
  }
}