{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948360,-0.317196,0.000000,0.000000,0.116412,-0.348052,0.930219,0.000000,-0.294794,0.881380,0.369142,0.000000,-1881091.758953,5624129.923115,2339742.151826,1],    "boundingVolume": {    "region": [1.893516,0.378046,1.893620,0.378125,0.000000,12.029609]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/15_18068.b3dm"}}}