{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949046,-0.315138,0.000000,0.000000,0.176229,-0.530718,0.829025,0.000000,-0.260706,0.785124,0.561794,0.000000,-1664580.527524,5012926.121330,3562978.848357,1],    "boundingVolume": {    "region": [1.891348,0.596542,1.891449,0.596564,0.000000,12.369939]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/22/7_1338648.b3dm"}}}