curl --request PATCH \
  --url https://api.fanvue.com/chats/mass-messages/{messageUuid} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --header 'X-Fanvue-API-Version: <x-fanvue-api-version>' \
  --data '
{
  "text": "Hey, thanks so much for the support!",
  "mediaUuids": [
    "3fa85f64-5717-4562-b3fc-2c963f66afa6"
  ],
  "price": 9.99,
  "includedLists": {
    "smartListUuids": [
      "subscribers"
    ],
    "customListUuids": [
      "3fa85f64-5717-4562-b3fc-2c963f66afa6"
    ]
  },
  "excludedLists": {
    "smartListUuids": [
      "subscribers"
    ],
    "customListUuids": [
      "3fa85f64-5717-4562-b3fc-2c963f66afa6"
    ]
  }
}
'

{
  "error": "<string>",
  "message": "<string>"
}