{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949027,-0.315195,0.000000,0.000000,0.176174,-0.530447,0.829210,0.000000,-0.260812,0.785285,0.561520,0.000000,-1665253.590124,5013949.723773,3561235.356414,1],    "boundingVolume": {    "region": [1.891390,0.596168,1.891527,0.596275,0.000000,8.718413]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/11_1067049.b3dm"}}}