{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950533,-0.310623,0.000000,0.000000,0.173773,-0.531760,0.828875,0.000000,-0.256924,0.786211,0.562015,0.000000,-1640434.325465,5019874.447642,3564385.374206,1],    "boundingVolume": {    "region": [1.886596,0.596771,1.886693,0.596870,0.000000,7.269115]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/8_1327387.b3dm"}}}