{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950485,-0.310769,0.000000,0.000000,0.173798,-0.531561,0.828998,0.000000,-0.257084,0.786289,0.561834,0.000000,-1641452.265365,5020366.992787,3563230.631077,1],    "boundingVolume": {    "region": [1.886750,0.596551,1.886848,0.596650,0.000000,13.607746]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/6_1329191.b3dm"}}}