{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950376,-0.311104,0.000000,0.000000,0.173635,-0.530429,0.829757,0.000000,-0.257599,0.786925,0.560707,0.000000,-1644731.930096,5024404.082964,3556069.026125,1],    "boundingVolume": {    "region": [1.887101,0.595181,1.887201,0.595298,0.000000,8.720455]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/8_1454212.b3dm"}}}