{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.894465,-0.447138,0.000000,0.000000,0.284935,-0.569990,0.770664,0.000000,-0.343651,0.687447,0.639782,0.000000,-2194859.602178,4390651.097577,4058863.984879,1],    "boundingVolume": {    "region": [2.034292,0.694152,2.034426,0.694277,0.000000,38.555296]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/9_990274.b3dm"}}}