[
  { "content": "UNH", "mandatory": true, "repetition": 1, "data": ["APERAK"] },
  { "content": "BGM", "mandatory": true, "repetition": 1 },
  { "content": "DTM", "mandatory": false, "repetition": 9 },
  { "content": "FTX", "mandatory": false, "repetition": 9 },
  { "content": "CNT", "mandatory": false, "repetition": 9 },
  { "content": [
    { "content": "DOC", "mandatory": true, "repetition": 1 },
    { "content": "DTM", "mandatory": false, "repetition": 99 }
  ], "mandatory": false, "repetition": 99 },
  { "content": [
    { "content": "RFF", "mandatory": true, "repetition": 1 },
    { "content": "DTM", "mandatory": false, "repetition": 9 }
  ], "mandatory": false, "repetition": 9 },
  { "content": [
    { "content": "NAD", "mandatory": true, "repetition": 1 },
    { "content": "CTA", "mandatory": false, "repetition": 9 },
    { "content": "COM", "mandatory": false, "repetition": 9 }
  ], "mandatory": false, "repetition": 9 },
  { "content": [
    { "content": "ERC", "mandatory": true, "repetition": 1 },
    { "content": "FTX", "mandatory": false, "repetition": 1 },
    { "content": [
      { "content": "RFF", "mandatory": true, "repetition": 1 },
      { "content": "FTX", "mandatory": false, "repetition": 9 }
    ], "mandatory": false, "repetition": 9 }
  ], "mandatory": false, "repetition": 99999 },
  { "content": "UNT", "mandatory": true, "repetition": 1 }
]