{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858305,-0.513140,0.000000,0.000000,0.262473,-0.439025,0.859282,0.000000,-0.440154,0.736224,0.514041,0.000000,-2809846.337671,4699897.885388,3259562.785312,1],    "boundingVolume": {    "region": [2.109553,0.539827,2.109718,0.539952,0.000000,34.969366]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/3_209575.b3dm"}}}