{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.893950,-0.448167,0.000000,0.000000,0.288794,-0.576051,0.764698,0.000000,-0.341754,0.681691,0.646917,0.000000,-2182815.334470,4354019.124792,4104258.745507,1],    "boundingVolume": {    "region": [2.035427,0.703454,2.035593,0.703616,0.000000,51.820974]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/2_1870365.b3dm"}}}