SUPER Command by diamentdiaxpl

/give @p sign 1 0 {BlockEntityTag:{Text1:"{text:\"Diax\",color:\"blue\",bold:true,underlined:true,clickEvent:{action:\"run_command\",value:\"give @p minecraft:diamond 32\"}}",Text2:"{text:\"Gold\",color:\"gold\",bold:true,underlined:true,clickEvent:{action:\"run_command\",value:\"give @p minecraft:gold_ingot 32\"}}",Text3:"{text:\"iron\",color:\"gray\",bold:true,underlined:true,clickEvent:{action:\"run_command\",value:\"give @p minecraft:iron_ingot 32\"}}",Text4:"{text:\"cake\",color:\"red\",bold:true,underlined:true,clickEvent:{action:\"run_command\",value:\"give @p cake 4\"}}"},display:{Name:"Custom Sign"}}