{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949334,-0.314268,0.000000,0.000000,0.175496,-0.530135,0.829553,0.000000,-0.260154,0.785868,0.561010,0.000000,-1661046.069147,5017659.566199,3557995.572589,1],    "boundingVolume": {    "region": [1.890413,0.595552,1.890550,0.595659,0.000000,8.819391]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/1/5_1366635.b3dm"}}}