What does it usually mean if a guy sends you a ☺️ emoji?

My guy friend is picking me and another friend up to meet with some other friends at a coffeehouse to hang out tonight. Here's our text:

Me: What time do you think you'll be here?

Him: Probably 6:30ish

Me: Alright cool

Him: See you then ☺️

Me: 👌
What does it usually mean if a guy sends you a ☺️ emoji?
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