{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949399,-0.314074,0.000000,0.000000,0.175487,-0.530471,0.829340,0.000000,-0.259926,0.785717,0.561326,0.000000,-1659592.839141,5016706.234987,3560003.915320,1],    "boundingVolume": {    "region": [1.890228,0.595946,1.890326,0.596028,0.000000,20.270478]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/9_1360948.b3dm"}}}