{
  "ring_codes": {
    "new": "NGCD-2510 MT\tB01 IFPI L262 IFPI 4492\nNGCD-2511 MT\tB01 IFPI L262 IFPI 4491",
    "old": "NGCD-2510 MT\tB01 IFPI L262 IFPI 4492"
  },
  "serial": {
    "new": "NGCD-2510, NGCD-2511",
    "old": "NGCD-2510"
  }
}