Transaction not yet indexed

1sSCEaHCykNdaMUh2Nurmu3zkodYpbfvFnaUzqz3x3Dc7ykpoUSErQhfHz28Wbsp6arZPyJF1SAvYper1QN6jmm

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