{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858708,-0.512466,0.000000,0.000000,0.262156,-0.439278,0.859249,0.000000,-0.439559,0.736541,0.514096,0.000000,-2806049.261814,4701922.617092,3259911.356680,1],    "boundingVolume": {    "region": [2.108768,0.539891,2.108933,0.540016,0.000000,57.304366]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/3_216523.b3dm"}}}