{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897712,-0.440583,0.000000,0.000000,0.282907,-0.576438,0.766605,0.000000,-0.336815,0.686280,0.644652,0.000000,-2151245.694983,4383286.422618,4089846.351973,1],    "boundingVolume": {    "region": [2.026980,0.700533,2.027107,0.700602,0.000000,20.470327]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/11/6_857657.b3dm"}}}