{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950559,-0.310543,0.000000,0.000000,0.173786,-0.531950,0.828751,0.000000,-0.256820,0.786114,0.562200,0.000000,-1639766.720821,5019253.702300,3565558.629139,1],    "boundingVolume": {    "region": [1.886512,0.596994,1.886610,0.597093,0.000000,8.220047]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/11_1396963.b3dm"}}}