{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949411,-0.314037,0.000000,0.000000,0.175269,-0.529881,0.829763,0.000000,-0.260029,0.786132,0.560697,0.000000,-1660248.465495,5019343.991941,3556004.841004,1],    "boundingVolume": {    "region": [1.890157,0.595094,1.890319,0.595360,0.000000,8.817220]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/11/13_1457371.b3dm"}}}