es-nest-facets-response

"facets" : {
    "contributors.contributorRole.untouched" : {
      "_type" : "terms",
      "missing" : 0,
      "total" : 2,
      "other" : 0,
      "terms" : [ {
        "term" : "contributor role 2",
        "count" : 1
      }, {
        "term" : "contributor role 1",
        "count" : 1
      } ]
    },
    "identifiers.identifierType.untouched" : {
      "_type" : "terms",
      "missing" : 0,
      "total" : 2,
      "other" : 0,
      "terms" : [ {
        "term" : "Test Identifier Type 2",
        "count" : 1
      }, {
        "term" : "Test Identifier Type 1",
        "count" : 1
      } ]
    }