Sorting in collection+json

coll.json

{
  "collection": {
    "version": "1.0",
    "href": "http://example.org",
    "items": [],
    "queries": [
       {
         "href": "http://example.org",
         "rel": "self",
         "data": [
            {"name": "q"},
            {"name": "field", "selection": ["age", "name", ""], "value": ""},
            {"name": "direction", "selection": ["asc", "desc"], "value": "asc"}
         ]
       }
    ]
  }
}