{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948782,-0.315932,0.000000,0.000000,0.116083,-0.348610,0.930052,0.000000,-0.293565,0.881612,0.369568,0.000000,-1873257.306075,5625612.036952,2342444.860419,1],    "boundingVolume": {    "region": [1.892183,0.378509,1.892288,0.378579,0.000000,65.051490]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/15_11643.b3dm"}}}