{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948752,-0.316022,0.000000,0.000000,0.176355,-0.529448,0.829809,0.000000,-0.261687,0.785630,0.560629,0.000000,-1670837.208576,5016137.441889,3555572.864719,1],    "boundingVolume": {    "region": [1.892282,0.595034,1.892378,0.595257,0.000000,8.818771]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/13_1178824.b3dm"}}}