{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949100,-0.314975,0.000000,0.000000,0.116097,-0.349830,0.929592,0.000000,-0.292530,0.881466,0.370735,0.000000,-1866655.035720,5624698.006430,2349848.681733,1],    "boundingVolume": {    "region": [1.891173,0.379742,1.891281,0.379858,0.000000,86.206870]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/20_76461.b3dm"}}}