{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949133,-0.314875,0.000000,0.000000,0.116675,-0.351695,0.928815,0.000000,-0.292190,0.880752,0.372694,0.000000,-1864493.046932,5620170.365929,2362281.401140,1],    "boundingVolume": {    "region": [1.891052,0.381861,1.891191,0.381961,0.000000,5.164652]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/20/20_64964.b3dm"}}}