{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948902,-0.315571,0.000000,0.000000,0.176065,-0.529415,0.829892,0.000000,-0.261341,0.785834,0.560505,0.000000,-1668622.130549,5017436.925969,3554784.783110,1],    "boundingVolume": {    "region": [1.891808,0.594900,1.891902,0.595091,0.000000,8.414414]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/23/28_1075616.b3dm"}}}