{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896337,-0.443374,0.000000,0.000000,0.283705,-0.573546,0.768477,0.000000,-0.339783,0.686915,0.642414,0.000000,-2170183.021548,4387301.975237,4075606.915269,1],    "boundingVolume": {    "region": [2.030089,0.697584,2.030222,0.697703,0.000000,46.269899]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/0_536975.b3dm"}}}