{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949221,-0.314611,0.000000,0.000000,0.115805,-0.349397,0.929791,0.000000,-0.292255,0.881769,0.370230,0.000000,-1864897.655682,5626625.577850,2346648.703846,1],    "boundingVolume": {    "region": [1.890791,0.379226,1.890895,0.379288,0.000000,6.854370]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/12/15.b3dm"}}}