{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858218,-0.513286,0.000000,0.000000,0.262552,-0.438989,0.859276,0.000000,-0.440276,0.736145,0.514051,0.000000,-2810627.368522,4699390.453330,3259620.644514,1],    "boundingVolume": {    "region": [2.109723,0.539838,2.109888,0.539963,0.000000,83.499081]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/3_324989.b3dm"}}}