{
  "configuration": {},
  "assemblies": [
    {
      "name": "large",
      "sequence": {
        "type": "ReferenceSequenceTrack",
        "trackId": "large_ref_seq",
        "adapter": {
          "type": "ChromSizesAdapter",
          "chromSizesLocation": {
            "uri": "large.chrom.sizes",
            "locationType": "UriLocation"
          }
        }
      }
    }
  ]
}
