{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950186,-0.311682,0.000000,0.000000,0.173750,-0.529690,0.830204,0.000000,-0.258218,0.787196,0.560041,0.000000,-1648682.130822,5026125.104738,3551833.748613,1],    "boundingVolume": {    "region": [1.887678,0.594369,1.887841,0.594500,0.000000,8.752843]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/6_1458065.b3dm"}}}