Transaction not yet indexed

XDRcaubKaoTNFsRaKRAUdEoFX2jm69RYgSfaFn3Cisb4uPsAZ3rvbQa28tBTcfdboxPQGkE8TqY2JQcFpon6n81

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