{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948484,-0.316825,0.000000,0.000000,0.115857,-0.346844,0.930740,0.000000,-0.294615,0.881994,0.367814,0.000000,-1879949.457909,5628030.765317,2331321.889006,1],    "boundingVolume": {    "region": [1.893129,0.376631,1.893224,0.376684,0.000000,55.925270]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/18/12_30439.b3dm"}}}