{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950564,-0.310529,0.000000,0.000000,0.173630,-0.531500,0.829072,0.000000,-0.256908,0.786425,0.561724,0.000000,-1640329.966016,5021231.830007,3562533.481088,1],    "boundingVolume": {    "region": [1.886497,0.596419,1.886595,0.596518,0.000000,11.760865]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/5_1389425.b3dm"}}}