Transaction not yet indexed

621Yfihsx6dQqfMwfUeNBaqEfJNaKSYjBTR2SewKp9qg4UNWCDtef5DWrESGQVynmdP3hP21eHjgjyAQHc9wPY5t

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