{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949687,-0.313199,0.000000,0.000000,0.174759,-0.529906,0.829855,0.000000,-0.259364,0.786449,0.560561,0.000000,-1656004.645077,5021361.822820,3555140.641786,1],    "boundingVolume": {    "region": [1.889275,0.594930,1.889437,0.595196,0.000000,8.811738]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/13_1357383.b3dm"}}}