Player.dat format/Player Heads

• •  SkullOwner: The username of the player this is a skull of. This gets converted to the compound version on almost any action.
  •  SkullOwner: Different definition for the skull's owner. Note that Owner is used for skulls placed on the ground.‌ The same tag can be found for player heads in block form.‌
    •  Id: UUID of owner, stored as four ints. Optional. Used to update the other tags when the chunk loads or the holder logs in, in case the owner's name has changed.
    •  Name: Username of owner. If missing or empty, the head appears as a Steve head. Otherwise, used to store or retrieve the downloaded skin in the cache. Need not be a valid player name, but must not be all spaces.
    •  Properties
      •  textures
        • : An individual texture.
          •  Value: A Base64-encoded JSON object.
            •  isPublic: Optional.
            •  signatureRequired
            •  profileId: Optional: The hexadecimal text form of the player's UUID, without hyphens.
            •  profileName: Optional: Player name.
            •  textures
              •  CAPE: Optional.
                •  url: URL of a player cape (64x32 PNG).
              •  SKIN
                •  url: URL of a player skin on textures.minecraft.net.
                •  metadata
                  •  model: The model of the player skin. Can be "classic" or "slim".
            •  timestamp: Optional: Unix time in milliseconds.
          •  Signature: Optional.