{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897933,-0.440132,0.000000,0.000000,0.282550,-0.576442,0.766733,0.000000,-0.336528,0.686564,0.644499,0.000000,-2149409.190345,4385102.102706,4088872.029305,1],    "boundingVolume": {    "region": [2.026479,0.700333,2.026606,0.700402,0.000000,14.472785]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/3_852432.b3dm"}}}