Get guild memory statistics

curl --request POST \
  --url https://api.fluxer.app/v1/admin/gateway/memory-stats \
  --header 'Authorization: <api-key>' \
  --header 'Content-Type: application/json' \
  --data '{
  "limit": 50
}'

{
  "guilds": [
    {
      "guild_id": "<string>",
      "guild_name": "<string>",
      "guild_icon": "<string>",
      "memory": "<string>",
      "member_count": 1073741823,
      "session_count": 1073741823,
      "presence_count": 1073741823
    }
  ]
}