{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.852865,-0.522132,0.000000,0.000000,0.269468,-0.440156,0.856534,0.000000,-0.446420,0.729195,0.518636,0.000000,-2849895.851703,4655099.094270,3288751.135696,1],    "boundingVolume": {    "region": [2.120056,0.545170,2.120234,0.545340,0.000000,38.571766]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/1/0/1_8168.b3dm"}}}