Ban FIDs from app

curl --request POST \
  --url https://api.neynar.com/v2/farcaster/ban \
  --header 'Content-Type: application/json' \
  --header 'x-api-key: <api-key>' \
  --data '{
  "fids": [
    3
  ]
}'

{
  "success": true,
  "message": "<string>"
}