curl --request POST \
  --url https://app.teable.ai/api/base/%7BbaseId%7D/workflow/%7BworkflowId%7D/action/%7BactionId%7D/duplicate \
  --header 'Authorization: Bearer REPLACE_BEARER_TOKEN'

{
  "config": {
    "tableId": "<string>",
    "fields": {},
    "baseId": "<string>",
    "loopKey": {
      "fact": "<string>",
      "path": "<string>",
      "keyStack": [
        "<string>"
      ],
      "params": {
        "pipes": []
      }
    },
    "_fieldsOrder": [
      "<string>"
    ]
  },
  "id": "<string>",
  "name": "<string>",
  "description": "<string>",
  "testResult": {
    "createdTime": "<string>",
    "spent": 123,
    "inputRaw": null,
    "outputRaw": null,
    "inputVariables": {},
    "outputVariables": {},
    "errorMsg": "<string>"
  },
  "outputVariables": {},
  "inputVariables": {},
  "createdTime": "<string>",
  "lastModifiedTime": "<string>"
}