{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950568,-0.310515,0.000000,0.000000,0.173624,-0.531510,0.829067,0.000000,-0.256895,0.786424,0.561731,0.000000,-1640245.457701,5021225.886621,3562580.451090,1],    "boundingVolume": {    "region": [1.886482,0.596428,1.886580,0.596527,0.000000,11.760865]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/5_1330750.b3dm"}}}