{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943316,-0.331897,0.000000,0.000000,0.186184,-0.529171,0.827837,0.000000,-0.274174,0.779255,0.563552,0.000000,-1750578.771225,4975486.824344,3574149.189694,1],    "boundingVolume": {    "region": [1.909038,0.598630,1.909182,0.598728,0.000000,7.423363]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/9_657654.b3dm"}}}