{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.852864,-0.522133,0.000000,0.000000,0.269381,-0.440014,0.856634,0.000000,-0.446474,0.729281,0.518470,0.000000,-2850236.301893,4655643.039047,3287693.079803,1],    "boundingVolume": {    "region": [2.120057,0.544976,2.120235,0.545145,0.000000,37.546766]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/1/0/0_7889.b3dm"}}}