Transaction not yet indexed

1Zkt4tzKSwSDjDv4g2eebbmKxHdTkWV2sNMJziD3CqRH883YPq3pdPrEjyaP2bkDoo4uyZyY7egZESXmpwH96ok

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