Transaction not yet indexed

UMUNfszR3DiZQuWZpt5ZKgtYLDZc3sfVEPRdb6Ly1tqBzkaVQrtXLAx4XC4TKrGCG2tp9A7bC2NaVkbDiP8ab8P

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