{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950328,-0.311250,0.000000,0.000000,0.173176,-0.528751,0.830923,0.000000,-0.258085,0.788001,0.558969,0.000000,-1647828.253024,5031244.283062,3545021.600396,1],    "boundingVolume": {    "region": [1.887220,0.593042,1.887390,0.593241,0.000000,8.355690]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/20/11_1462463.b3dm"}}}