{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949407,-0.314048,0.000000,0.000000,0.175559,-0.530738,0.829154,0.000000,-0.259845,0.785547,0.561602,0.000000,-1659080.922679,5015621.632450,3561758.503039,1],    "boundingVolume": {    "region": [1.890200,0.596280,1.890299,0.596362,0.000000,8.726520]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/13_1338387.b3dm"}}}