{
  "asset" : {
    "version" : "1.1"
  },
  "geometricError" : 2.0,
  "root" : {
    "contents" : [ {
      "uri" : "planeTriangles.glb"
    }, {
      "uri" : "planePoints.glb"
    } ],
    "boundingVolume" : {
      "box" : [ 
        0.5, -0.5, 0.0, 
        0.5, 0.0, 0.0, 
        0.0, -0.5, 0.0, 
        0.0, 0.0, 0.1 ]
    },
    "geometricError" : 1.0
  }
}