{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950579,-0.310483,0.000000,0.000000,0.173615,-0.531540,0.829049,0.000000,-0.256863,0.786416,0.561758,0.000000,-1640041.935561,5021173.849576,3562746.369143,1],    "boundingVolume": {    "region": [1.886449,0.596459,1.886546,0.596558,0.000000,20.032815]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/5_1389955.b3dm"}}}