{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949593,-0.313487,0.000000,0.000000,0.116022,-0.351445,0.928991,0.000000,-0.290957,0.881347,0.372251,0.000000,-1856626.175126,5623963.870513,2359466.441700,1],    "boundingVolume": {    "region": [1.889590,0.381383,1.889728,0.381483,0.000000,4.758336]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/9/15_67730.b3dm"}}}