{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.899372,-0.437184,0.000000,0.000000,0.282817,-0.581810,0.762569,0.000000,-0.332444,0.683901,0.649431,0.000000,-2123371.866485,4368184.707690,4120251.567870,1],    "boundingVolume": {    "region": [2.023175,0.706781,2.023349,0.706891,0.000000,5.753895]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/20/12_1813368.b3dm"}}}