{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949072,-0.315059,0.000000,0.000000,0.116120,-0.349795,0.929602,0.000000,-0.292610,0.881450,0.370709,0.000000,-1867168.484209,5624597.356759,2349682.785658,1],    "boundingVolume": {    "region": [1.891261,0.379714,1.891369,0.379829,0.000000,50.378513]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/17/20_76168.b3dm"}}}