{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950346,-0.311195,0.000000,0.000000,0.173777,-0.530689,0.829560,0.000000,-0.257612,0.786712,0.560999,0.000000,-1644820.744687,5023053.006304,3557923.653404,1],    "boundingVolume": {    "region": [1.887197,0.595533,1.887296,0.595650,0.000000,8.778218]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/11_1456270.b3dm"}}}