{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950457,-0.310857,0.000000,0.000000,0.173845,-0.531537,0.829003,0.000000,-0.257158,0.786270,0.561826,0.000000,-1641927.624999,5020247.626887,3563180.135246,1],    "boundingVolume": {    "region": [1.886842,0.596542,1.886940,0.596641,0.000000,11.896035]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/6_1329392.b3dm"}}}