{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950315,-0.311290,0.000000,0.000000,0.173665,-0.530169,0.829916,0.000000,-0.257803,0.787027,0.560469,0.000000,-1646034.871283,5025053.835685,3554557.918462,1],    "boundingVolume": {    "region": [1.887297,0.594894,1.887397,0.595011,0.000000,8.808776]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/5_1452623.b3dm"}}}