{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949150,-0.314825,0.000000,0.000000,0.116063,-0.349911,0.929565,0.000000,-0.292382,0.881487,0.370801,0.000000,-1865711.263169,5624833.264694,2350271.547070,1],    "boundingVolume": {    "region": [1.891015,0.379814,1.891123,0.379929,0.000000,71.051956]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/14/21_77387.b3dm"}}}