{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950570,-0.310509,0.000000,0.000000,0.173621,-0.531512,0.829066,0.000000,-0.256890,0.786425,0.561732,0.000000,-1640212.479459,5021233.845945,3562584.389724,1],    "boundingVolume": {    "region": [1.886476,0.596429,1.886574,0.596527,0.000000,11.760865]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/5_1389511.b3dm"}}}