Append Metadata To Media List

curl --request POST \
  --url https://api.landing.ai/v1/projects/{project_id}/images/metadata \
  --header 'Content-Type: application/json' \
  --data '{
  "metadataAppend": {},
  "mediaIds": [
    123
  ],
  "allMedia": true
}'

{
  "data": [
    {
      "metadata": {},
      "mediaId": 123
    }
  ]
}