{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.894786,-0.446496,0.000000,0.000000,0.284441,-0.570025,0.770821,0.000000,-0.343228,0.687834,0.639593,0.000000,-2192157.534633,4393120.359062,4057660.320653,1],    "boundingVolume": {    "region": [2.033575,0.693906,2.033709,0.694031,0.000000,48.259161]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/7_983511.b3dm"}}}