{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858281,-0.513180,0.000000,0.000000,0.262528,-0.439071,0.859241,0.000000,-0.440167,0.736169,0.514110,0.000000,-2809934.223762,4699543.254048,3259995.395545,1],    "boundingVolume": {    "region": [2.109600,0.539907,2.109765,0.540032,0.000000,95.756001]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/4_335874.b3dm"}}}