{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.852866,-0.522129,0.000000,0.000000,0.269377,-0.440011,0.856637,0.000000,-0.446472,0.729285,0.518465,0.000000,-2850226.673280,4655671.878238,3287660.805794,1],    "boundingVolume": {    "region": [2.120053,0.544970,2.120231,0.545139,0.000000,43.350033]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/1/0/0_7894.b3dm"}}}