{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858205,-0.513306,0.000000,0.000000,0.262607,-0.439058,0.859224,0.000000,-0.440267,0.736089,0.514139,0.000000,-2810568.293523,4699035.259988,3260179.827238,1],    "boundingVolume": {    "region": [2.109747,0.539940,2.109912,0.540066,0.000000,96.260641]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/4_340801.b3dm"}}}