{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858254,-0.513226,0.000000,0.000000,0.262851,-0.439558,0.858894,0.000000,-0.440027,0.735845,0.514694,0.000000,-2809041.408192,4697484.498942,3263704.915025,1],    "boundingVolume": {    "region": [2.109653,0.540588,2.109818,0.540713,0.000000,15.085900]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/9_415148.b3dm"}}}