{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950085,-0.311990,0.000000,0.000000,0.174451,-0.531245,0.829063,0.000000,-0.258114,0.786020,0.561737,0.000000,-1648030.426602,5018649.515301,3562617.717702,1],    "boundingVolume": {    "region": [1.888014,0.596380,1.888152,0.596589,0.000000,8.821155]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/3_1398190.b3dm"}}}