{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943875,-0.330302,0.000000,0.000000,0.183821,-0.525289,0.830832,0.000000,-0.273853,0.782564,0.559105,0.000000,-1748500.260415,4996531.767426,3545886.481416,1],    "boundingVolume": {    "region": [1.907365,0.593215,1.907475,0.593396,0.000000,7.656393]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/7_1246248.b3dm"}}}