{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950645,-0.310280,0.000000,0.000000,0.173073,-0.530268,0.829977,0.000000,-0.256985,0.787359,0.560380,0.000000,-1640809.816904,5027167.662208,3553988.542916,1],    "boundingVolume": {    "region": [1.886192,0.594771,1.886375,0.594917,0.000000,8.778280]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/13_1458027.b3dm"}}}