{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "title": "NavigationNode",
  "type": "object",
  "properties": {
    "id": {
      "type": "string",
      "description": "Unique identifier for the document.",
      "format": "uuid"
    },
    "title": {
      "type": "string"
    },
    "url": {
      "type": "string"
    },
    "children": {
      "type": "array",
      "items": {
        "$ref": "#/components/schemas/NavigationNode"
      }
    }
  }
}