{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.892621,-0.450809,0.000000,0.000000,0.290618,-0.575437,0.764470,0.000000,-0.343665,0.680472,0.647188,0.000000,-2195023.250768,4346239.162981,4105981.964113,1],    "boundingVolume": {    "region": [2.038415,0.703856,2.038520,0.703925,0.000000,25.384792]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/3_2008946.b3dm"}}}