{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.899353,-0.437223,0.000000,0.000000,0.282877,-0.581868,0.762502,0.000000,-0.332444,0.683826,0.649510,0.000000,-2123372.936040,4367708.341282,4120752.613084,1],    "boundingVolume": {    "region": [2.023218,0.706885,2.023392,0.706994,0.000000,14.411710]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/20/13_1800565.b3dm"}}}