Minecraft wiki entry for Block_entity_format, associated text: 1 Block Entity
2 Additional fields for block entity types
2.1 Banner
2.2 Beacon
2.3 Bed
2.4 Beehive
2.5 Bell
2.6 Brewing stand
2.7 Campfire and Soul campfire
2.8 Cauldron
2.9 Chalkboard
2.10 Chemistry tables
2.11 Chests
2.12 Command Block
2.13 Comparator
2.14 Conduit
2.15 Dispenser and Dropper
2.16 Enchanting table
2.17 End Gateway
2.18 Flower Pot
2.19 Furnace
2.20 Hopper
2.21 Item Frame
2.22 Jigsaw
2.23 Jukebox
2.24 Lectern
2.25 Lodestone
2.26 Mob Spawner
2.27 Moving Block
2.28 Note Block
2.29 Nether Reactor
2.30 Piston
2.31 Shulker Box
2.32 Sign
2.33 Skull
2.34 Structure Block