{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950570,-0.310509,0.000000,0.000000,0.173637,-0.531561,0.829031,0.000000,-0.256879,0.786392,0.561784,0.000000,-1640145.042315,5021020.419260,3562914.005137,1],    "boundingVolume": {    "region": [1.886476,0.596491,1.886574,0.596590,0.000000,12.750379]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/5_1390587.b3dm"}}}