{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896334,-0.443380,0.000000,0.000000,0.283762,-0.573652,0.768377,0.000000,-0.339743,0.686822,0.642534,0.000000,-2169926.653392,4386712.404658,4076372.801458,1],    "boundingVolume": {    "region": [2.030096,0.697741,2.030228,0.697860,0.000000,66.439108]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/2_537073.b3dm"}}}