{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949466,-0.313870,0.000000,0.000000,0.175129,-0.529771,0.829863,0.000000,-0.259923,0.786273,0.560548,0.000000,-1659570.202875,5020240.804804,3555061.702598,1],    "boundingVolume": {    "region": [1.889982,0.594915,1.890144,0.595181,0.000000,8.694323]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/13_1457291.b3dm"}}}