{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950590,-0.310449,0.000000,0.000000,0.173593,-0.531537,0.829056,0.000000,-0.256837,0.786431,0.561748,0.000000,-1639877.348002,5021272.193559,3562683.947282,1],    "boundingVolume": {    "region": [1.886413,0.596448,1.886511,0.596546,0.000000,20.032815]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/5_1389793.b3dm"}}}