{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897953,-0.440091,0.000000,0.000000,0.282477,-0.576359,0.766823,0.000000,-0.336536,0.686660,0.644392,0.000000,-2149459.509045,4385713.611542,4088194.232197,1],    "boundingVolume": {    "region": [2.026433,0.700194,2.026560,0.700263,0.000000,19.737503]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/1_883859.b3dm"}}}