{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896559,-0.442924,0.000000,0.000000,0.283348,-0.573549,0.768606,0.000000,-0.339496,0.687202,0.642259,0.000000,-2168347.008932,4389132.195588,4074620.070761,1],    "boundingVolume": {    "region": [2.029569,0.697367,2.029738,0.697516,0.000000,44.451716]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/0_500279.b3dm"}}}