{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949624,-0.313393,0.000000,0.000000,0.115619,-0.350340,0.929459,0.000000,-0.291018,0.881825,0.371070,0.000000,-1857008.353441,5626994.702163,2351978.026149,1],    "boundingVolume": {    "region": [1.889491,0.380071,1.889629,0.380252,0.000000,4.704402]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/11_74690.b3dm"}}}