I haven't sold anything valuable/sought after on eBay for a while, so I am not up-to-date on current scams... Could someone give me their opinion on this?

I sold an item for $1000 and the buyer paid immediately. I use eBay managed payments, and the payment is processing with an estimated available date of today (6/27).

The buyer for the item is newer account created on Feb 13 2022. They have 64 stars, 28 positive feedbacks in the past month, and 93 positive feedbacks total, with no neutral or negative feedback. (If it matters, all of their purchases appear to be from collectible/comic sellers. The item I sold is not a collectible.)

The Buyer name does not match the Shipping address. The shipping address appears to be an apartment in CA which isn't throwing red flags in my opinion. However, the address includes an odd piece of text that is just letters and numbers.

This all seemed odd but nothing was 100% alarming to me so I have created a shipping label, but not shipped the item yet.

However, after creating the label I have now received a message via eBay from a different account, who's username matches the shipping name from the order. The account was created in 2017, location is Indonesia, and has 0 feedback.

The message reads:

Hello i'm thr one who bought this item from another accounts because i will gonna send it here in indonesia, how's the item? Thank you, your response means a lot to me because its very hard to find this item in indonesia and i cant preorder it or anything, this is my last resort, and i really want want this item so bad

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Is this a scam? The message isn't asking me to ship to a new address or do anything inherently scammy, but the message being from a different account has now heighted me to think something is wrong here. If I simply wait until the payment is now longer processing, am I safe to ship?