{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950201,-0.311639,0.000000,0.000000,0.174278,-0.531381,0.829012,0.000000,-0.257808,0.786067,0.561813,0.000000,-1646071.613497,5018950.587487,3563095.918655,1],    "boundingVolume": {    "region": [1.887637,0.596483,1.887789,0.596668,0.000000,8.785472]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/3_1398899.b3dm"}}}