{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949224,-0.314602,0.000000,0.000000,0.175939,-0.530846,0.829004,0.000000,-0.260256,0.785251,0.561824,0.000000,-1661706.756174,5013741.568389,3563171.591358,1],    "boundingVolume": {    "region": [1.890783,0.596579,1.890884,0.596600,0.000000,7.638141]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/8_1337579.b3dm"}}}