{
  "document": {
    "title": "Test JSON Document",
    "type": "metadata_test",
    "properties": {
      "word_count": 25,
      "format": "json",
      "encoding": "utf-8"
    },
    "content": [
      "This JSON should be detected as JSON format",
      "It contains structured data in JSON format"
    ]
  }
}