{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949340,-0.314250,0.000000,0.000000,0.175599,-0.530480,0.829311,0.000000,-0.260062,0.785641,0.561370,0.000000,-1660465.597902,5016219.524278,3560280.902903,1],    "boundingVolume": {    "region": [1.890394,0.595987,1.890532,0.596093,0.000000,8.773433]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/1/9_1360088.b3dm"}}}