Head/PlayerHeadShared


 * : 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.
 * : 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.
 * : An individual texture.
 * : A Base64-encoded JSON object.
 * : Optional.
 * : Optional: The hexadecimal text form of the player's UUID, without hyphens.
 * : Optional: Player name.
 * : Optional.
 * : URL of a player cape (64x32 PNG).
 * : URL of a player skin on textures.minecraft.net.
 * : Optional: Unix time in milliseconds.
 * : Optional.
 * : URL of a player skin on textures.minecraft.net.
 * : Optional: Unix time in milliseconds.
 * : Optional.
 * : Optional.