{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858248,-0.513235,0.000000,0.000000,0.262496,-0.438954,0.859311,0.000000,-0.440250,0.736201,0.513992,0.000000,-2810463.740910,4699747.398901,3259249.581343,1],    "boundingVolume": {    "region": [2.109664,0.539770,2.109828,0.539895,0.000000,9.692033]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/2_313008.b3dm"}}}