{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950416,-0.310981,0.000000,0.000000,0.173869,-0.531378,0.829100,0.000000,-0.257291,0.786330,0.561682,0.000000,-1642771.857705,5020622.606194,3562268.697883,1],    "boundingVolume": {    "region": [1.886972,0.596369,1.887070,0.596467,0.000000,8.650147]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/11/4_1388900.b3dm"}}}