{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950350,-0.311183,0.000000,0.000000,0.174172,-0.531922,0.828688,0.000000,-0.257329,0.785880,0.562294,0.000000,-1643017.571993,5017765.541361,3566152.638919,1],    "boundingVolume": {    "region": [1.887185,0.597107,1.887282,0.597206,0.000000,8.750909]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/12_1325735.b3dm"}}}