{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949152,-0.314819,0.000000,0.000000,0.116070,-0.349941,0.929553,0.000000,-0.292373,0.881477,0.370833,0.000000,-1865651.621047,5624769.394849,2350470.400144,1],    "boundingVolume": {    "region": [1.891008,0.379848,1.891117,0.379963,0.000000,71.051956]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/14/21_455.b3dm"}}}