{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950059,-0.312069,0.000000,0.000000,0.174007,-0.529746,0.830115,0.000000,-0.258511,0.787006,0.560173,0.000000,-1650550.796876,5024910.566237,3552678.529531,1],    "boundingVolume": {    "region": [1.888085,0.594530,1.888249,0.594661,0.000000,13.958589]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/7_1458535.b3dm"}}}