{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950889,-0.309533,0.000000,0.000000,0.172956,-0.531323,0.829326,0.000000,-0.256163,0.786938,0.561346,0.000000,-1635571.539423,5024497.872962,3560131.801527,1],    "boundingVolume": {    "region": [1.885425,0.595902,1.885571,0.596121,0.000000,8.797125]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/13_1339611.b3dm"}}}