{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950218,-0.311587,0.000000,0.000000,0.174244,-0.531377,0.829022,0.000000,-0.257768,0.786091,0.561798,0.000000,-1645818.894109,5019101.011405,3563001.406972,1],    "boundingVolume": {    "region": [1.887583,0.596465,1.887735,0.596650,0.000000,8.785472]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/3_1398684.b3dm"}}}