{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858237,-0.513254,0.000000,0.000000,0.262552,-0.439025,0.859258,0.000000,-0.440239,0.736145,0.514082,0.000000,-2810394.779838,4699392.279145,3259817.224108,1],    "boundingVolume": {    "region": [2.109687,0.539874,2.109851,0.539999,0.000000,83.499081]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/3_329353.b3dm"}}}