{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.857848,-0.513903,0.000000,0.000000,0.262925,-0.438895,0.859210,0.000000,-0.440771,0.735770,0.514162,0.000000,-2813790.051451,4697000.812204,3260331.465641,1],    "boundingVolume": {    "region": [2.110443,0.539968,2.110607,0.540093,0.000000,20.932700]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/4_344643.b3dm"}}}