how to format per-world perms with PEX

groups:
  BubbleNoob:
    default: true
    options:
      rank: '10'
    prefix: '&e[BubbleNoob]&e'
    permissions:
    - modifyworld.*
    - essentials.help
    - warpportals.enter
    - essentials.kit
    - arena.join.paintball
    - essentials.kits
    - essentials.sell
    - essentials.buy
    - arena.spleef.join
    - essentials.pay
    - essentials.worth
    - essentials.afk
    - essentials.balance
    - essentials.ignore
    - essentials.msg
    - essentials.spawn
    - essentials.home
    - essentials.tpa
    - essentials.warp
    - essentials.warp.list
    - essentials.build
    - commandsigns.use
    - bouncybeds.set
    - bouncybeds.bounce
    - essentials.tpaccept
    - essentials.tpdeny
    - bouncysponge.jump
    - essentials.sethome
    - chestshop.create.*
    - chestshop.sell
    - chestshop.buy
    - nofalldamage.*
    worlds:
      BubbleCraft:
        permissions:
        - put.BubbleCraft.specific.permissions.here
      KitPVP:
        permissions:
        - and.KitPVP.only.perms.here
      Survival:
        permissions:
        - and.Survival.only.nodes.go.here
  BubbleBaby:
    inheritance:
    - BubbleNoob
    options:
      rank: '5'
    prefix: '&2[BubbleBaby]&2'
    permissions:
    - essentials.hat
    - essentials.workbench
    - essentials.jump
    - essentials.chat.shout
    worlds:
      BubbleCraft:
        permissions:
        - and.more.nodes
      KitPVP:
        permissions:
        - and.even.more.nodes
      Survival:
        permissions:
        - still.more.nodes
  BubbleBlower:
    inheritance:
    - BubbleBaby
    options:
      rank: '1'
    prefix: '&1[BubbleBlower]'
    permissions:
    - essentials.spawner
    - commandsigns.use
    - essentials.suicide
    - playervaults.admin
    - essentials.sethome.multiple
    worlds:
      BubbleCraft:
        permissions:
        - and.you.can.put.some.here
      KitPVP:
        permissions:
        - and.here
      Survival:
        permissions:
        - and.even.here