{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950563,-0.310531,0.000000,0.000000,0.173649,-0.531555,0.829033,0.000000,-0.256897,0.786387,0.561782,0.000000,-1640260.298237,5020989.896855,3562904.027244,1],    "boundingVolume": {    "region": [1.886499,0.596489,1.886596,0.596588,0.000000,12.750379]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/5_1390552.b3dm"}}}