{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.942774,-0.333431,0.000000,0.000000,0.186867,-0.528364,0.828198,0.000000,-0.275562,0.779151,0.563018,0.000000,-1759442.538759,4974813.185718,3570755.764194,1],    "boundingVolume": {    "region": [1.910675,0.598002,1.910799,0.598064,0.000000,7.424016]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/4/21_1250069.b3dm"}}}