{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950594,-0.310435,0.000000,0.000000,0.173389,-0.530941,0.829481,0.000000,-0.256959,0.786842,0.561117,0.000000,-1640647.273166,5023880.264655,3558677.418492,1],    "boundingVolume": {    "region": [1.886390,0.595678,1.886505,0.595792,0.000000,8.777612]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/11/12_1424299.b3dm"}}}