Transaction not yet indexed

AMuxEkWcQjTVfPkdcGaWnRCS7rFazPMB6nkw6UiKNvG6Ar8abTX2E77GZN1Y7MG5vbb3Rdff6BxRFVH2obPaRXT

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