{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943282,-0.331994,0.000000,0.000000,0.186232,-0.529135,0.827849,0.000000,-0.274258,0.779238,0.563534,0.000000,-1751114.428321,4975378.341143,3574038.549762,1],    "boundingVolume": {    "region": [1.909140,0.598609,1.909285,0.598707,0.000000,8.002576]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/8_545013.b3dm"}}}