{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949393,-0.314092,0.000000,0.000000,0.175620,-0.530840,0.829076,0.000000,-0.259857,0.785459,0.561719,0.000000,-1659157.077117,5015067.309149,3562498.512181,1],    "boundingVolume": {    "region": [1.890247,0.596421,1.890346,0.596502,0.000000,7.060201]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/15_1411305.b3dm"}}}