{
  "fields": [
    {
      "field": "MSH.1",
      "minOccurs": "1",
      "maxOccurs": "1"
    },
    {
      "field": "MSH.2",
      "minOccurs": "1",
      "maxOccurs": "1"
    },
    {
      "field": "MSH.3",
      "minOccurs": "0",
      "maxOccurs": "1"
    },
    {
      "field": "MSH.4",
      "minOccurs": "0",
      "maxOccurs": "1"
    },
    {
      "field": "MSH.5",
      "minOccurs": "0",
      "maxOccurs": "1"
    },
    {
      "field": "MSH.6",
      "minOccurs": "0",
      "maxOccurs": "1"
    },
    {
      "field": "MSH.7",
      "minOccurs": "1",
      "maxOccurs": "1"
    },
    {
      "field": "MSH.8",
      "minOccurs": "0",
      "maxOccurs": "1"
    },
    {
      "field": "MSH.9",
      "minOccurs": "1",
      "maxOccurs": "1"
    },
    {
      "field": "MSH.10",
      "minOccurs": "1",
      "maxOccurs": "1"
    },
    {
      "field": "MSH.11",
      "minOccurs": "1",
      "maxOccurs": "1"
    },
    {
      "field": "MSH.12",
      "minOccurs": "1",
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    },
    {
      "field": "MSH.13",
      "minOccurs": "0",
      "maxOccurs": "1"
    },
    {
      "field": "MSH.14",
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      "maxOccurs": "1"
    },
    {
      "field": "MSH.15",
      "minOccurs": "0",
      "maxOccurs": "1"
    },
    {
      "field": "MSH.16",
      "minOccurs": "0",
      "maxOccurs": "1"
    },
    {
      "field": "MSH.17",
      "minOccurs": "0",
      "maxOccurs": "1"
    },
    {
      "field": "MSH.18",
      "minOccurs": "0",
      "maxOccurs": "unbounded"
    },
    {
      "field": "MSH.19",
      "minOccurs": "0",
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    },
    {
      "field": "MSH.20",
      "minOccurs": "0",
      "maxOccurs": "1"
    },
    {
      "field": "MSH.21",
      "minOccurs": "0",
      "maxOccurs": "unbounded"
    }
  ]
}