LeadVariableResponseDto

{
    "lead_id": "507f1f77bcf86cd799439011",
    "project_id": "550e8400-e29b-41d4-a716-446655440000",
    "app_id": "507f1f77bcf86cd799439011",
    "name": "last_purchase_date",
    "value": "string",
    "created_at": "2019-08-24T14:15:22.123Z",
    "updated_at": "2019-08-24T14:15:22.123Z"
}