{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948731,-0.316084,0.000000,0.000000,0.176399,-0.529463,0.829791,0.000000,-0.261733,0.785596,0.560656,0.000000,-1671130.056499,5015916.444189,3555745.840025,1],    "boundingVolume": {    "region": [1.892348,0.595066,1.892444,0.595289,0.000000,8.816292]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/13_1179250.b3dm"}}}