{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858209,-0.513301,0.000000,0.000000,0.262663,-0.439157,0.859156,0.000000,-0.440227,0.736034,0.514252,0.000000,-2810314.518477,4698683.577974,3260900.532106,1],    "boundingVolume": {    "region": [2.109740,0.540073,2.109905,0.540198,0.000000,108.761311]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/5_129151.b3dm"}}}