CreateDocumentField(CreateDocumentField)

{
    "linked_signature_field_id": "string",
    "group": {
        "min_selections": 0,
        "max_selections": 0,
        "display_name": "string"
    },
    "default_value": "string",
    "read_only": false,
    "assigned_to": "string",
    "dropdown_options": [
        "string"
    ],
    "display_name": "string",
    "required": true,
    "help_text": "string",
    "text_format": "string",
    "currency_code": "string",
    "currency_include_symbol": true,
    "property1": "string",
    "property2": "string"
}