{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951323,-0.308197,0.000000,0.000000,0.115739,-0.357256,0.926808,0.000000,-0.285367,0.880853,0.377707,0.000000,-1820982.102236,5620888.992730,2394083.201211,1],    "boundingVolume": {    "region": [1.884089,0.387314,1.884098,0.387323,0.000000,8.928649]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/13/20.b3dm"}}}