I found empty arrays are incorrectly formatted as strings (see screenshot below) in [hra-pop/v0.11.1/raw /atlas-enriched-dataset-graph.jsonld file](https://github.com/hubmapconsortium/hra-kg/blob/main/digital-objects/graph/hra-pop/v0.11.1/raw/atlas-enriched-dataset-graph.jsonld). 
I found empty arrays are incorrectly formatted as strings (see screenshot below) in hra-pop/v0.11.1/raw
/atlas-enriched-dataset-graph.jsonld file.