step 1. press mintify command
step 2. past into notepad
step 3. save as armor.json
step 4. put it in your .minecraft/saves//data/loot_tables/mctools/chests/ (you may need to make a few of those files so be sure to use the right names) and use this command in game to get it
/give @p minecraft:chest 1 0 {BlockEntityTag:{LootTable:"mctools:chests/armor"}}