{
  "description": "Convert a datafield to HTML",
  "field": { "tag": "500", "ind1": " ", "ind2": " ", "subfields": [
    { "code": "a", "value": "The paths of glory lead but to the grave" }
  ]},
  "only": false,
  "decorator": {
    "subfieldCodePrefix": "$$"
  }
}