{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950344,-0.311200,0.000000,0.000000,0.174179,-0.531910,0.828694,0.000000,-0.257345,0.785881,0.562284,0.000000,-1643122.784527,5017772.565192,3566094.670561,1],    "boundingVolume": {    "region": [1.887203,0.597096,1.887301,0.597195,0.000000,8.793415]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/12_1385557.b3dm"}}}