Retrieve a tag

{
    "tag": {
        "tagType": "contact",
        "tag": "My Tag",
        "description": "Description",
        "cdate": "2018-10-04T14:55:13-05:00",
        "subscriber_count": "0",
        "links": {
            "contactGoalTags": "https://:account.api-us1.com/api/3/tags/1/contactGoalTags"
        },
        "id": "1"
    }
}