{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949106,-0.314958,0.000000,0.000000,0.116088,-0.349823,0.929595,0.000000,-0.292515,0.881475,0.370726,0.000000,-1866559.498306,5624753.710960,2349791.618561,1],    "boundingVolume": {    "region": [1.891155,0.379733,1.891263,0.379848,0.000000,86.206870]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/20_76352.b3dm"}}}