{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858390,-0.512998,0.000000,0.000000,0.262409,-0.439083,0.859271,0.000000,-0.440026,0.736288,0.514058,0.000000,-2809034.984353,4700307.525178,3259670.690462,1],    "boundingVolume": {    "region": [2.109388,0.539847,2.109552,0.539972,0.000000,55.473166]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/3_212081.b3dm"}}}