{
  "ring_codes": {
    "new": "MPO\tS0021872 05 DEC 00 @@\tP01\t20001205 1816 @@ 4 IFPI L032 01 IFPI 1223",
    "old": "MPO <TAB> S0021872 05 DEC 00 @@ <TAB>P01 20001205 1816 @@ 4 IFPI L032 01 IFPI 1223"
  }
}