{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858192,-0.513329,0.000000,0.000000,0.262642,-0.439090,0.859197,0.000000,-0.440272,0.736054,0.514184,0.000000,-2810601.471971,4698812.174685,3260470.784944,1],    "boundingVolume": {    "region": [2.109773,0.539994,2.109938,0.540119,0.000000,96.260641]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/4_349231.b3dm"}}}