{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950678,-0.310181,0.000000,0.000000,0.173228,-0.530929,0.829522,0.000000,-0.256761,0.786949,0.561057,0.000000,-1639383.406813,5024568.477592,3558290.820042,1],    "boundingVolume": {    "region": [1.886122,0.595604,1.886237,0.595719,0.000000,8.816155]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/11_1424120.b3dm"}}}