{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949072,-0.315059,0.000000,0.000000,0.115986,-0.349392,0.929770,0.000000,-0.292664,0.881611,0.370282,0.000000,-1867509.924650,5625621.069288,2346977.347354,1],    "boundingVolume": {    "region": [1.891261,0.379255,1.891369,0.379370,0.000000,29.996723]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/17/15_6779.b3dm"}}}