{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950811,-0.309770,0.000000,0.000000,0.173161,-0.531501,0.829169,0.000000,-0.256311,0.786723,0.561580,0.000000,-1636514.224044,5023132.463163,3561615.060651,1],    "boundingVolume": {    "region": [1.885675,0.596184,1.885820,0.596403,0.000000,8.774613]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/14_1338829.b3dm"}}}