{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950813,-0.309765,0.000000,0.000000,0.173156,-0.531497,0.829173,0.000000,-0.256308,0.786728,0.561574,0.000000,-1636496.780023,5023164.744159,3561577.799102,1],    "boundingVolume": {    "region": [1.885670,0.596177,1.885815,0.596396,0.000000,8.774613]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/14_1338854.b3dm"}}}