Transaction not yet indexed

2Um4aTzAzAxnDXuUgkPCLRAGyEvj3Cr3ZRri1rQWHEEnPtF7XW8tWAVZHb2Ys2u9JRmjztMGnH9jDMvAxLWysG23

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