{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950353,-0.311173,0.000000,0.000000,0.174044,-0.531547,0.828955,0.000000,-0.257405,0.786139,0.561897,0.000000,-1643499.129042,5019408.106368,3563635.257952,1],    "boundingVolume": {    "region": [1.887148,0.596585,1.887299,0.596770,0.000000,8.678457]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/4_1328123.b3dm"}}}