{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.893985,-0.448098,0.000000,0.000000,0.288774,-0.576124,0.764651,0.000000,-0.341680,0.681674,0.646974,0.000000,-2182341.305262,4353917.412824,4104616.301418,1],    "boundingVolume": {    "region": [2.035350,0.703527,2.035515,0.703690,0.000000,51.820974]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/2_1991788.b3dm"}}}