{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.952322,-0.305094,0.000000,0.000000,0.114422,-0.357156,0.927010,0.000000,-0.282557,0.881974,0.377205,0.000000,-1803046.145052,5628029.911023,2390901.458675,1],    "boundingVolume": {    "region": [1.880747,0.386726,1.880921,0.386828,0.000000,4.217246]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/14/21_46893.b3dm"}}}