{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950559,-0.310545,0.000000,0.000000,0.173644,-0.531513,0.829061,0.000000,-0.256918,0.786410,0.561741,0.000000,-1640392.378131,5021136.608350,3562638.245350,1],    "boundingVolume": {    "region": [1.886514,0.596439,1.886612,0.596538,0.000000,12.057715]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/5_1389652.b3dm"}}}