{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896331,-0.443386,0.000000,0.000000,0.283805,-0.573730,0.768302,0.000000,-0.339714,0.686753,0.642623,0.000000,-2169745.842711,4386272.890502,4076938.147862,1],    "boundingVolume": {    "region": [2.030102,0.697857,2.030235,0.697976,0.000000,49.655558]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/3_537270.b3dm"}}}