{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949263,-0.314482,0.000000,0.000000,0.116222,-0.350817,0.929204,0.000000,-0.291948,0.881246,0.371715,0.000000,-1862948.448532,5623307.677015,2356067.513316,1],    "boundingVolume": {    "region": [1.890638,0.380806,1.890776,0.380906,0.000000,15.133682]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/9_71927.b3dm"}}}