{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949054,-0.315114,0.000000,0.000000,0.176136,-0.530484,0.829194,0.000000,-0.260740,0.785292,0.561543,0.000000,-1664796.143050,5013996.752599,3561382.026985,1],    "boundingVolume": {    "region": [1.891305,0.596196,1.891442,0.596303,0.000000,8.815839]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/11_1446839.b3dm"}}}