{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949262,-0.314487,0.000000,0.000000,0.175868,-0.530849,0.829017,0.000000,-0.260166,0.785296,0.561805,0.000000,-1661128.421026,5014022.854459,3563046.287849,1],    "boundingVolume": {    "region": [1.890662,0.596555,1.890763,0.596577,0.000000,7.804267]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/7_1337694.b3dm"}}}