{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950811,-0.309772,0.000000,0.000000,0.173160,-0.531496,0.829173,0.000000,-0.256313,0.786726,0.561575,0.000000,-1636530.986909,5023149.269147,3561583.866000,1],    "boundingVolume": {    "region": [1.885677,0.596178,1.885822,0.596397,0.000000,8.813563]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/14_1423667.b3dm"}}}