{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950498,-0.310731,0.000000,0.000000,0.173734,-0.531438,0.829090,0.000000,-0.257081,0.786387,0.561698,0.000000,-1641431.446667,5020992.019207,3562365.270169,1],    "boundingVolume": {    "region": [1.886709,0.596387,1.886807,0.596486,0.000000,8.585765]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/4_1331052.b3dm"}}}