{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949479,-0.313830,0.000000,0.000000,0.175453,-0.530826,0.829120,0.000000,-0.259655,0.785574,0.561652,0.000000,-1657866.460994,5015795.487444,3562077.011462,1],    "boundingVolume": {    "region": [1.889972,0.596341,1.890070,0.596422,0.000000,15.300928]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/14_1409912.b3dm"}}}