{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951293,-0.308288,0.000000,0.000000,0.113882,-0.351409,0.929270,0.000000,-0.286219,0.883194,0.371548,0.000000,-1826384.958277,5635733.957423,2355010.527473,1],    "boundingVolume": {    "region": [1.884111,0.380629,1.884267,0.380723,0.000000,5.243603]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/12_42754.b3dm"}}}