{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948709,-0.316151,0.000000,0.000000,0.176424,-0.529415,0.829816,0.000000,-0.261796,0.785601,0.560618,0.000000,-1671531.437934,5015953.279505,3555506.816894,1],    "boundingVolume": {    "region": [1.892418,0.595021,1.892514,0.595244,0.000000,8.816292]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/13_1178761.b3dm"}}}