{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896469,-0.443106,0.000000,0.000000,0.283055,-0.572662,0.769375,0.000000,-0.339978,0.687826,0.641335,0.000000,-2171415.511451,4393101.051505,4068744.181199,1],    "boundingVolume": {    "region": [2.029765,0.696181,2.029948,0.696293,0.000000,82.879141]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/7/7_513744.b3dm"}}}