{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.947983,-0.318322,0.000000,0.000000,0.116856,-0.348006,0.930181,0.000000,-0.295827,0.880993,0.369239,0.000000,-1887689.180640,5621659.929686,2340360.362775,1],    "boundingVolume": {    "region": [1.894703,0.378151,1.894807,0.378229,0.000000,38.497220]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/28/17_13480.b3dm"}}}