{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.899372,-0.437185,0.000000,0.000000,0.282858,-0.581893,0.762491,0.000000,-0.332410,0.683830,0.649524,0.000000,-2123153.925864,4367731.026485,4120840.820295,1],    "boundingVolume": {    "region": [2.023175,0.706903,2.023349,0.707012,0.000000,14.481116]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/20/13_1800635.b3dm"}}}