{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949087,-0.315015,0.000000,0.000000,0.176025,-0.530332,0.829315,0.000000,-0.260697,0.785435,0.561363,0.000000,-1664518.898152,5014906.175467,3560238.663504,1],    "boundingVolume": {    "region": [1.891200,0.595979,1.891338,0.596085,0.000000,11.857457]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/9_1373527.b3dm"}}}