{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950258,-0.311462,0.000000,0.000000,0.173672,-0.529865,0.830109,0.000000,-0.258006,0.787165,0.560183,0.000000,-1647327.551681,5025925.955749,3552737.852690,1],    "boundingVolume": {    "region": [1.887446,0.594541,1.887610,0.594672,0.000000,8.779702]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/7_1458606.b3dm"}}}