{
    "apis": [],
    "fields": [
        {
            "name": "caption",
            "type": "string"
        },
        {
            "name": "customization_spec",
            "type": "Object"
        },
        {
            "name": "description",
            "type": "string"
        },
        {
            "name": "image_hash",
            "type": "string"
        },
        {
            "name": "link",
            "type": "string"
        },
        {
            "name": "message",
            "type": "string"
        },
        {
            "name": "name",
            "type": "string"
        },
        {
            "name": "priority",
            "type": "int"
        },
        {
            "name": "template_url_spec",
            "type": "AdCreativeTemplateURLSpec"
        },
        {
            "name": "video_id",
            "type": "int"
        }
    ]
}