{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949237,-0.314563,0.000000,0.000000,0.175918,-0.530858,0.829001,0.000000,-0.260223,0.785259,0.561829,0.000000,-1661494.860543,5013791.366349,3563200.140258,1],    "boundingVolume": {    "region": [1.890742,0.596584,1.890843,0.596606,0.000000,8.911051]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/9_1418896.b3dm"}}}