Transaction not yet indexed

21b4AAaMoixEvZ2caSPpdu8ePjBAD63nerSzEmzZacGJtkUTHfeNJL7DqwgZqTnrJTqAbhw5sFDkSRc1QJZVWM68

The transaction signature is valid but not yet indexed by this RPC node, or the transaction failed before inclusion.