{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943274,-0.332015,0.000000,0.000000,0.186363,-0.529467,0.827607,0.000000,-0.274195,0.779002,0.563890,0.000000,-1750716.398689,4973880.508346,3576302.367132,1],    "boundingVolume": {    "region": [1.909163,0.599040,1.909308,0.599138,0.000000,8.705434]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/13_658021.b3dm"}}}