{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896561,-0.442921,0.000000,0.000000,0.283351,-0.573559,0.768598,0.000000,-0.339490,0.687196,0.642268,0.000000,-2168309.211270,4389092.450579,4074682.575884,1],    "boundingVolume": {    "region": [2.029566,0.697380,2.029735,0.697529,0.000000,44.451716]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/0_500261.b3dm"}}}