When the Piglin is aggravated at you, it will have both of its hands up while chasing you, like Zombies. But in the Java Snapshots, the Piglins will have its hands down while aggravated, but in range of you, it will attack you with the same attack animation as the player.
We're tracking this issue as MCPE-74089, so this ticket is being resolved and linked as a duplicate.
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