Body_handler_forms_post(Body_handler_forms_post)

{
    "metadata": {
        "name": "string",
        "clear_fields": true,
        "fields": [
            {
                "name": "string",
                "type": "TEXT",
                "required": true,
                "coordinates": {
                    "x": 0,
                    "y": 0,
                    "page_number": 1
                },
                "width": 0,
                "height": 0
            }
        ]
    },
    "file": "string"
}