{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897877,-0.440247,0.000000,0.000000,0.282559,-0.576274,0.766856,0.000000,-0.336670,0.686632,0.644352,0.000000,-2150314.665841,4385533.572496,4087939.372056,1],    "boundingVolume": {    "region": [2.026607,0.700141,2.026733,0.700210,0.000000,47.936209]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/1_883499.b3dm"}}}