{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897934,-0.440131,0.000000,0.000000,0.282493,-0.576329,0.766840,0.000000,-0.336573,0.686661,0.644372,0.000000,-2149701.532125,4385717.586938,4088063.589644,1],    "boundingVolume": {    "region": [2.026477,0.700167,2.026604,0.700236,0.000000,16.563189]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/1_883649.b3dm"}}}