{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949126,-0.314898,0.000000,0.000000,0.116137,-0.350044,0.929506,0.000000,-0.292431,0.881408,0.370952,0.000000,-1866022.950807,5624329.038726,2351224.179961,1],    "boundingVolume": {    "region": [1.891091,0.379976,1.891200,0.380091,0.000000,80.555630]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/22_2122.b3dm"}}}