{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.852950,-0.521992,0.000000,0.000000,0.269380,-0.440175,0.856551,0.000000,-0.446310,0.729284,0.518606,0.000000,-2849192.779309,4655664.364118,3288561.421079,1],    "boundingVolume": {    "region": [2.119935,0.545178,2.120027,0.545262,0.000000,78.392900]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/2_4583.b3dm"}}}