{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949856,-0.312688,0.000000,0.000000,0.174790,-0.530962,0.829173,0.000000,-0.258727,0.785936,0.561574,0.000000,-1651939.722005,5018107.310019,3561577.790454,1],    "boundingVolume": {    "region": [1.888733,0.596184,1.888904,0.596389,0.000000,24.885976]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/3_1440716.b3dm"}}}