{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950543,-0.310592,0.000000,0.000000,0.173727,-0.531678,0.828938,0.000000,-0.256918,0.786280,0.561923,0.000000,-1640395.900708,5020308.086006,3563796.242037,1],    "boundingVolume": {    "region": [1.886563,0.596659,1.886661,0.596758,0.000000,10.330628]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/7_1327946.b3dm"}}}