{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896635,-0.442771,0.000000,0.000000,0.282859,-0.572806,0.769340,0.000000,-0.339705,0.687921,0.641377,0.000000,-2169674.825699,4393711.483626,4069011.827781,1],    "boundingVolume": {    "region": [2.029391,0.696235,2.029574,0.696348,0.000000,39.799105]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/5/7_488859.b3dm"}}}