{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858237,-0.513253,0.000000,0.000000,0.262573,-0.439062,0.859232,0.000000,-0.440225,0.736124,0.514124,0.000000,-2810302.989270,4699257.421334,3260088.925803,1],    "boundingVolume": {    "region": [2.109685,0.539924,2.109849,0.540049,0.000000,96.260641]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/4_128715.b3dm"}}}