curl --request POST \
  --url https://api.sandbox.immutable.com/v1/chains/{chain_name}/collections/{contract_address}/nfts/refresh-metadata \
  --header 'Content-Type: application/json' \
  --header 'x-immutable-api-key: <api-key>' \
  --data '
{
  "nft_metadata": [
    {
      "name": "Sword",
      "description": "2022-08-16T17:43:26.991388Z",
      "image": "https://some-url",
      "external_url": "https://some-url",
      "animation_url": "https://some-url",
      "youtube_url": "https://some-url",
      "attributes": [
        {
          "trait_type": "Aqua Power",
          "value": "Happy",
          "display_type": "number"
        }
      ],
      "token_id": "1"
    }
  ]
}
'

{
  "imx_refreshes_limit": "<string>",
  "imx_refresh_limit_reset": "<string>",
  "imx_remaining_refreshes": "<string>",
  "retry_after": "<string>"
}