{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949672,-0.313247,0.000000,0.000000,0.174777,-0.529871,0.829873,0.000000,-0.259410,0.786453,0.560533,0.000000,-1656296.981057,5021390.708482,3554964.839568,1],    "boundingVolume": {    "region": [1.889326,0.594897,1.889488,0.595162,0.000000,8.811738]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/13_1357543.b3dm"}}}