{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948197,-0.317682,0.000000,0.000000,0.116575,-0.347947,0.930238,0.000000,-0.295251,0.881247,0.369094,0.000000,-1884009.940151,5623279.976518,2339439.108501,1],    "boundingVolume": {    "region": [1.894028,0.377995,1.894132,0.378073,0.000000,12.203458]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/21/14_18508.b3dm"}}}