{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949690,-0.313192,0.000000,0.000000,0.174745,-0.529878,0.829876,0.000000,-0.259365,0.786471,0.560530,0.000000,-1656008.972496,5021500.434282,3554944.164047,1],    "boundingVolume": {    "region": [1.889268,0.594893,1.889430,0.595158,0.000000,8.811738]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/13_1357566.b3dm"}}}