{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950632,-0.310321,0.000000,0.000000,0.173549,-0.531645,0.828996,0.000000,-0.256712,0.786408,0.561837,0.000000,-1639079.812496,5021127.810760,3563250.584776,1],    "boundingVolume": {    "region": [1.886278,0.596555,1.886376,0.596654,0.000000,12.082541]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/6_1392477.b3dm"}}}