{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897934,-0.440130,0.000000,0.000000,0.282501,-0.576346,0.766823,0.000000,-0.336566,0.686647,0.644391,0.000000,-2149652.451287,4385625.811204,4088187.021624,1],    "boundingVolume": {    "region": [2.026477,0.700192,2.026603,0.700261,0.000000,19.737503]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/1_883848.b3dm"}}}