{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950694,-0.310132,0.000000,0.000000,0.173031,-0.530418,0.829890,0.000000,-0.256835,0.787316,0.560509,0.000000,-1639854.963218,5026895.641521,3554808.398801,1],    "boundingVolume": {    "region": [1.886070,0.594943,1.886186,0.595057,0.000000,8.518076]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/5_1346346.b3dm"}}}