{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.852942,-0.522006,0.000000,0.000000,0.269387,-0.440170,0.856551,0.000000,-0.446322,0.729276,0.518606,0.000000,-2849269.686867,4655617.137461,3288561.645481,1],    "boundingVolume": {    "region": [2.119952,0.545178,2.120044,0.545262,0.000000,93.281900]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/2_5548.b3dm"}}}