{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950493,-0.310746,0.000000,0.000000,0.173657,-0.531174,0.829275,0.000000,-0.257151,0.786561,0.561422,0.000000,-1641880.050824,5022094.939784,3560615.213088,1],    "boundingVolume": {    "region": [1.886716,0.596046,1.886832,0.596161,0.000000,8.564115]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/14/15_1426694.b3dm"}}}