{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950594,-0.310436,0.000000,0.000000,0.173596,-0.531574,0.829032,0.000000,-0.256819,0.786412,0.561784,0.000000,-1639759.820193,5021147.837049,3562911.766595,1],    "boundingVolume": {    "region": [1.886399,0.596491,1.886497,0.596590,0.000000,20.032815]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/5_1390602.b3dm"}}}