{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950420,-0.310968,0.000000,0.000000,0.173867,-0.531396,0.829089,0.000000,-0.257277,0.786322,0.561699,0.000000,-1642680.724780,5020576.511064,3562374.971324,1],    "boundingVolume": {    "region": [1.886959,0.596389,1.887056,0.596488,0.000000,8.650147]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/11/4_1389056.b3dm"}}}