{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.852962,-0.521973,0.000000,0.000000,0.269293,-0.440055,0.856640,0.000000,-0.446341,0.729370,0.518459,0.000000,-2849386.029207,4656212.839309,3287623.640173,1],    "boundingVolume": {    "region": [2.119913,0.545006,2.120005,0.545090,0.000000,90.474900]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/0_4354.b3dm"}}}