{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949111,-0.314943,0.000000,0.000000,0.116076,-0.349806,0.929603,0.000000,-0.292503,0.881487,0.370705,0.000000,-1866483.569683,5624833.635607,2349661.485776,1],    "boundingVolume": {    "region": [1.891138,0.379711,1.891247,0.379826,0.000000,57.910820]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/20_76098.b3dm"}}}