{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949290,-0.314401,0.000000,0.000000,0.175723,-0.530572,0.829225,0.000000,-0.260160,0.785518,0.561497,0.000000,-1661090.991818,5015434.829940,3561089.133689,1],    "boundingVolume": {    "region": [1.890553,0.596140,1.890691,0.596247,0.000000,8.792895]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/11_1446007.b3dm"}}}