tellraw @a ["",{"text":"[minecraft:next_level]: ","color":"gold"},{"text":"Rested Bonus","color":"dark_aqua","hoverEvent":{"action":"show_text","value":[{"text":"Rested Bonus Applied: ","color":"dark_green"},{"text":"\n"},{"text":"+ 1 Heart Regen","color":"red"}]}},{"text":" has been applied!","color":"dark_green"},{"text":"\n "}]