{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950675,-0.310187,0.000000,0.000000,0.173558,-0.531929,0.828812,0.000000,-0.256544,0.786268,0.562110,0.000000,-1638007.926978,5020237.259886,3564986.165565,1],    "boundingVolume": {    "region": [1.886104,0.596850,1.886269,0.597019,0.000000,8.758891]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/5/4_1396811.b3dm"}}}