{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950108,-0.311922,0.000000,0.000000,0.115732,-0.352515,0.928622,0.000000,-0.289389,0.881471,0.373180,0.000000,-1846622.941219,5624764.552325,2365360.862236,1],    "boundingVolume": {    "region": [1.887934,0.382369,1.888090,0.382499,0.000000,8.867749]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/2_63467.b3dm"}}}