{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950598,-0.310423,0.000000,0.000000,0.173652,-0.531770,0.828894,0.000000,-0.256765,0.786283,0.561988,0.000000,-1639416.827197,5020331.987285,3564210.285333,1],    "boundingVolume": {    "region": [1.886386,0.596738,1.886483,0.596837,0.000000,8.813590]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/8_1395474.b3dm"}}}