Transaction not yet indexed

5Sm6kDoAKRiU4E5bVs89UjKTGETwneMupXHNxXM8LD9rtmofgTwKT4DmMSk3ZdhvCXe8c5bJ6d7U9umMkB31ckUm

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