{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950490,-0.310756,0.000000,0.000000,0.173884,-0.531846,0.828797,0.000000,-0.257010,0.786100,0.562132,0.000000,-1640983.746332,5019167.100087,3565123.537768,1],    "boundingVolume": {    "region": [1.886736,0.596912,1.886834,0.597010,0.000000,7.518736]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/10_1396882.b3dm"}}}