{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949118,-0.314919,0.000000,0.000000,0.175963,-0.530327,0.829331,0.000000,-0.260623,0.785477,0.561339,0.000000,-1664044.082670,5015173.385216,3560085.254737,1],    "boundingVolume": {    "region": [1.891099,0.595950,1.891237,0.596056,0.000000,14.224535]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/9_1360672.b3dm"}}}