curl --request POST \
  --url https://api.rocksky.app/xrpc/app.rocksky.shout.createShout \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "message": "<string>"
}
'

{
  "id": "<string>",
  "message": "<string>",
  "parent": "<string>",
  "createdAt": "2023-11-07T05:31:56Z",
  "author": {
    "id": "<string>",
    "did": "<string>",
    "handle": "<string>",
    "displayName": "<string>",
    "avatar": "<string>"
  }
}