{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898384,-0.439211,0.000000,0.000000,0.284322,-0.581566,0.762196,0.000000,-0.333820,0.682812,0.649870,0.000000,-2132166.755870,4361240.577031,4123046.083856,1],    "boundingVolume": {    "region": [2.025463,0.707377,2.025570,0.707450,0.000000,11.347699]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/20/7_1803146.b3dm"}}}