{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950488,-0.310762,0.000000,0.000000,0.173499,-0.530659,0.829638,0.000000,-0.257279,0.786904,0.560883,0.000000,-1642689.174500,5024273.853917,3557189.512844,1],    "boundingVolume": {    "region": [1.886742,0.595394,1.886841,0.595511,0.000000,8.794034]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/1/10_1451269.b3dm"}}}