{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950416,-0.310981,0.000000,0.000000,0.173831,-0.531259,0.829184,0.000000,-0.257317,0.786410,0.561557,0.000000,-1642939.252493,5021135.536152,3561473.811397,1],    "boundingVolume": {    "region": [1.886972,0.596217,1.887070,0.596316,0.000000,8.794596]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/11/2_1427558.b3dm"}}}