{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858479,-0.512848,0.000000,0.000000,0.262449,-0.439325,0.859135,0.000000,-0.439828,0.736247,0.514287,0.000000,-2807768.676136,4700049.296025,3261123.916128,1],    "boundingVolume": {    "region": [2.109213,0.540114,2.109378,0.540239,0.000000,66.302233]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/5_233200.b3dm"}}}