{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949460,-0.313888,0.000000,0.000000,0.175484,-0.530810,0.829124,0.000000,-0.259704,0.785561,0.561647,0.000000,-1658177.402241,5015717.505410,3562042.319265,1],    "boundingVolume": {    "region": [1.890032,0.596334,1.890131,0.596416,0.000000,12.799522]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/14_1409625.b3dm"}}}