{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950561,-0.310538,0.000000,0.000000,0.173652,-0.531552,0.829034,0.000000,-0.256904,0.786386,0.561780,0.000000,-1640301.779630,5020985.800777,3562890.791677,1],    "boundingVolume": {    "region": [1.886506,0.596487,1.886604,0.596586,0.000000,12.750379]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/5_1390479.b3dm"}}}