{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.852953,-0.521987,0.000000,0.000000,0.269377,-0.440176,0.856552,0.000000,-0.446306,0.729287,0.518605,0.000000,-2849168.203595,4655684.149149,3288554.748208,1],    "boundingVolume": {    "region": [2.119929,0.545177,2.120022,0.545261,0.000000,78.392900]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/2_4574.b3dm"}}}