{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950625,-0.310342,0.000000,0.000000,0.173358,-0.531022,0.829435,0.000000,-0.256867,0.786823,0.561185,0.000000,-1640062.728739,5023764.084701,3559107.946096,1],    "boundingVolume": {    "region": [1.886291,0.595760,1.886407,0.595874,0.000000,8.818112]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/13_1425050.b3dm"}}}