{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950029,-0.312160,0.000000,0.000000,0.174408,-0.530794,0.829361,0.000000,-0.258349,0.786259,0.561295,0.000000,-1649525.139070,5020166.106244,3559807.051593,1],    "boundingVolume": {    "region": [1.888177,0.595847,1.888348,0.596052,0.000000,8.809885]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/1_1434216.b3dm"}}}