{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950674,-0.310192,0.000000,0.000000,0.173550,-0.531895,0.828836,0.000000,-0.256555,0.786290,0.562074,0.000000,-1638079.206259,5020376.336525,3564759.085847,1],    "boundingVolume": {    "region": [1.886108,0.596807,1.886274,0.596976,0.000000,8.758891]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/5/4_1396511.b3dm"}}}