{
    "ver":"0.1.0",
    "view_method_ids":[
        "NarrativeViewers/view_featureset"
    ],
    "import_method_ids":[],
    "export_functions":{
        "TSV": "FeatureSetUtils/export_featureset_as_tsv_file",
    }
}

{
    "ver":"0.1.0",
    "view_method_ids":[
        "NarrativeViewers/view_featureset"
    ],
    "import_method_ids":[],
    "export_functions":{
        "TSV": "FeatureSetUtils/export_featureset_as_tsv_file"
    }
}

Remove trailing comma in json
Remove trailing comma in json