How to create app own meta filed use of shopify node api library

Hi everyone I try with node Js shopify client api

// create app emta 

  const response = await client.query({
    data:  {
      query: `mutation CreateAppOwnedMetafield($metafieldsSetInput: [MetafieldsSetInput!]!) {
        metafieldsSet(metafields: $metafieldsSetInput) {
          metafields {
            id
            namespace
            key
          }
          userErrors {
            field
            message
          }
        }
      }`,
      variables: {

          "metafieldsSetInput": [
            {
              "namespace": "app_secret_keys",
              "key": "app_key",
              "type": "single_line_text_field",
              "value": "valuxxxxxx",
              "ownerId": "gid://shopify/App/56974xxxx"
            }
          ]

      },
    },
  });

  console.log("5 response => " , JSON.stringify(  response.body.data))

Error

response: {
    data: { metafieldsSet: null },
    errors: [
      {
        message: 'invalid id',
        locations: [ { line: 2, column: 9 } ],
        path: [ 'metafieldsSet' ]
      }
    ],
    extensions: {
      cost: {
        requestedQueryCost: 10,
        actualQueryCost: 1,
        throttleStatus: {
          maximumAvailable: 1000,
          currentlyAvailable: 999,
          restoreRate: 50
        }
      }
    }
  }

:
Error : GraphqlQueryError: GraphQL query returned errors
at GraphqlQueryError.ShopifyError [as constructor]