{
  "version" : "1.0",
  "id" : "test::1",
  "description" : "english model",
  "document-count" : 10,
  "language" : "en",
  "word-count" : 4,
  "document-frequencies" : {
    "usa" : 2,
    "hello": 3,
    "world": 5,
    "test": 2
  }
}