{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858221,-0.513281,0.000000,0.000000,0.262641,-0.439144,0.859170,0.000000,-0.440217,0.736055,0.514230,0.000000,-2810251.087197,4698821.352996,3260757.632718,1],    "boundingVolume": {    "region": [2.109718,0.540047,2.109882,0.540172,0.000000,108.761311]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/5_128803.b3dm"}}}