{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950170,-0.311732,0.000000,0.000000,0.174076,-0.530588,0.829562,0.000000,-0.258058,0.786568,0.560996,0.000000,-1647663.605667,5022133.896578,3557905.863049,1],    "boundingVolume": {    "region": [1.887762,0.595530,1.887862,0.595647,0.000000,8.820354]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/11_1456200.b3dm"}}}