Transaction not yet indexed

519evwJSDjH3fpSfEqLjAQyUpfr6xuJM7YW8yPHUN3wPDZwQhRowg4xEPXzUueP5jNpDy5MARfEwbFSiUdF6prAz

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