{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949105,-0.314959,0.000000,0.000000,0.175993,-0.530342,0.829315,0.000000,-0.260651,0.785451,0.561363,0.000000,-1664222.714537,5015003.601513,3560239.883329,1],    "boundingVolume": {    "region": [1.891141,0.595979,1.891279,0.596085,0.000000,9.901489]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/9_1360208.b3dm"}}}