global:
  global: -1
worlds:
  world1: -1
  world2: -1
  world3: 0
  world4: 0
groups:
  group1:
    worlds:
      world1:
        signs:
          rent: 1
  group3:
    worlds:
      world1:
        signs:
          let: 2
      world2:
        signs:
          sell: 3
          rent: 3
          let: 5
          bid: 1