{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950017,-0.312197,0.000000,0.000000,0.174505,-0.531019,0.829196,0.000000,-0.258327,0.786092,0.561539,0.000000,-1649389.027763,5019102.474271,3561359.131295,1],    "boundingVolume": {    "region": [1.888215,0.596142,1.888387,0.596348,0.000000,16.131921]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/3_1438569.b3dm"}}}