{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897857,-0.440286,0.000000,0.000000,0.282645,-0.576386,0.766741,0.000000,-0.336648,0.686513,0.644490,0.000000,-2150181.717453,4384776.626535,4088815.285071,1],    "boundingVolume": {    "region": [2.026650,0.700321,2.026777,0.700390,0.000000,12.538627]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/3_852246.b3dm"}}}