{
  "type": "object",
  "title": "Main",
  "description": "This is the description of the main model",
  "properties": {
    "foo_bar": {
      "type": "object",
      "title": "FooBar",
      "properties": {
        "count": {
          "type": "int",
          "title": "Count",
          "required": true
        },
        "size": {
          "type": "float",
          "title": "Size",
          "required": false
        }
      },
      "required": true
    },
    "Gender": {
      "type": "int",
      "title": "Gender",
      "required": false,
      "choices": [
        [1, "Male"],
        [2, "Female"],
        [3, "Other"],
        [4, "I'd rather not say"]
      ]
    },
    "snap": {
      "type": "int",
      "title": "The Snap",
      "required": false,
      "default": 42,
      "description": "this is the value of snap"
    }
  }
}