{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896754,-0.442530,0.000000,0.000000,0.282671,-0.572811,0.769405,0.000000,-0.339550,0.688071,0.641299,0.000000,-2168681.674755,4394666.553447,4068513.208596,1],    "boundingVolume": {    "region": [2.029123,0.696133,2.029306,0.696246,0.000000,45.244429]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/6_470091.b3dm"}}}