{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896346,-0.443355,0.000000,0.000000,0.283750,-0.573666,0.768371,0.000000,-0.339722,0.686826,0.642541,0.000000,-2169791.785597,4386737.287533,4076417.512887,1],    "boundingVolume": {    "region": [2.030069,0.697750,2.030201,0.697870,0.000000,31.847029]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/2_533868.b3dm"}}}