{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896331,-0.443385,0.000000,0.000000,0.283761,-0.573640,0.768386,0.000000,-0.339752,0.686829,0.642522,0.000000,-2169982.750416,4386754.048812,4076298.624064,1],    "boundingVolume": {    "region": [2.030102,0.697726,2.030235,0.697845,0.000000,66.439108]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/2_951688.b3dm"}}}