{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950324,-0.311261,0.000000,0.000000,0.173640,-0.530148,0.829935,0.000000,-0.257785,0.787053,0.560441,0.000000,-1645918.657360,5025219.125019,3554379.259908,1],    "boundingVolume": {    "region": [1.887267,0.594860,1.887366,0.594977,0.000000,8.808776]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/5_1452406.b3dm"}}}