{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950112,-0.311910,0.000000,0.000000,0.173895,-0.529705,0.830165,0.000000,-0.258394,0.787097,0.560099,0.000000,-1649804.797972,5025490.321558,3552208.122719,1],    "boundingVolume": {    "region": [1.887917,0.594440,1.888081,0.594571,0.000000,8.766006]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/6_1458199.b3dm"}}}