{
    "facets": [ 
        {
            "field": "subject",
            "terms": { 
                "artist book": 10,
                "print": 7,
                "tapestry": 11
            }
        },
        {
            "field": "creator",
            "terms": { 
            }
        },
        {
            "field": "format",
            "terms": { 
                "image/jpeg": 28
            }
        }
        
    ]
}