{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949102,-0.314967,0.000000,0.000000,0.175997,-0.530337,0.829318,0.000000,-0.260658,0.785451,0.561359,0.000000,-1664271.406737,5015007.394395,3560211.967305,1],    "boundingVolume": {    "region": [1.891150,0.595974,1.891287,0.596080,0.000000,11.631538]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/9_1360264.b3dm"}}}