{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949412,-0.314032,0.000000,0.000000,0.115083,-0.347930,0.930430,0.000000,-0.291920,0.882561,0.368604,0.000000,-1862753.422879,5631656.954306,2336329.199049,1],    "boundingVolume": {    "region": [1.890149,0.377382,1.890318,0.377631,0.000000,26.370956]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/9_15023.b3dm"}}}