{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951149,-0.308732,0.000000,0.000000,0.170952,-0.526675,0.832700,0.000000,-0.256549,0.790385,0.556304,0.000000,-1638005.248311,5046412.363972,3528087.784517,1],    "boundingVolume": {    "region": [1.884571,0.589870,1.884741,0.589993,0.000000,5.918367]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/9/13_1323021.b3dm"}}}