{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949086,-0.315018,0.000000,0.000000,0.116074,-0.349708,0.929640,0.000000,-0.292585,0.881499,0.370612,0.000000,-1867003.885611,5624910.749216,2349067.433737,1],    "boundingVolume": {    "region": [1.891218,0.379610,1.891326,0.379725,0.000000,47.040252]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/19_75157.b3dm"}}}