curl --request PATCH \
  --url https://{appId}.api-{region}.cometchat.io/v3/moderation/blocked-messages/{messageId} \
  --header 'Content-Type: application/json' \
  --data '
{
  "status": "approved"
}
'

{
  "data": {
    "success": true,
    "message": "Message with ID 268 has been approved."
  }
}