{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948557,-0.316605,0.000000,0.000000,0.176534,-0.528899,0.830121,0.000000,-0.262270,0.785768,0.560164,0.000000,-1674552.746065,5017005.453561,3552618.907313,1],    "boundingVolume": {    "region": [1.892897,0.594472,1.892993,0.594695,0.000000,8.075932]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/15/10_1092756.b3dm"}}}