/setblock ~ ~1.0 ~ minecraft:wall_sign 2 destroy {Text2:"{\"text\":\"Join us on\",\"color\":\"gray\",\"italic\":\"true\"}",Text3:"{\"text\":\"Discord\",\"color\":\"dark_blue\",\"bold\":\"true\"}",Text4:"{\"text\":\"[i]\",\"color\":\"blue\",\"clickEvent\":{\"action\":\"run_command\",\"value\":\"/tellraw @p [\\\"\\\",{\\\"text\\\":\\\"Here's Your Discord Invitation\\\",\\\"color\\\":\\\"blue\\\",\\\"underlined\\\":true,\\\"clickEvent\\\":{\\\"action\\\":\\\"open_url\\\",\\\"value\\\":\\\"https://discordapp.com/invite/yBZ5SZJ\\\"},\\\"hoverEvent\\\":{\\\"action\\\":\\\"show_text\\\",\\\"value\\\":{\\\"text\\\":\\\"\\\",\\\"extra\\\":[{\\\"text\\\":\\\"Click To Join\\\"}]}}}]\"}}"}