{
    "id": "MRG.4.7",
    "type": "Component",
    "position": "MRG.4.7",
    "name": "Effective Date",
    "length": 8,
    "usage": "O",
    "rpt": "1",
    "dataType": "DT",
    "dataTypeName": "Date",
    "tableId": null,
    "tableName": null,
    "description": "The first date, if known, on which the identifier is valid and active.",
    "sample": "",
    "fields": []
}