On the root level of my documents I have an array of objects called entities and for each entity in that array there is a an array of objects called mentions that will contain one or more mentions objects for that entity. I know that I need to map the mentions as type nested to do aggregations, etc, but what about entities? It is at the root level and not nested per se, but will I be able to drill down to the mentions objects without also specifying entities as type nested as well? Any thoughts anyone might have would be appreciated. Thanks.