How do you set the tile entity data for a falling block in 1.13?
Put any tile entity data into the TileEntityData tag, like so:
/summon minecraft:falling_block ~ ~ ~ {Time:1,BlockState:{Name:"command_block"},TileEntityData:{Command:"say hello"}}
Put any tile entity data into the TileEntityData tag, like so:
/summon minecraft:falling_block ~ ~ ~ {Time:1,BlockState:{Name:"command_block"},TileEntityData:{Command:"say hello"}}