{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950584,-0.310469,0.000000,0.000000,0.173539,-0.531336,0.829196,0.000000,-0.256897,0.786560,0.561539,0.000000,-1640259.517644,5022093.114796,3561359.587767,1],    "boundingVolume": {    "region": [1.886434,0.596196,1.886531,0.596294,0.000000,8.811806]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/2_1427468.b3dm"}}}