Transaction not yet indexed

RMcmDkez73RfAkCQLWNPkvFyvGodWxPKUtRw15Cexf2pcn6Fp7KNACiBPwbqmwdWnXLxWgLETd7FypTr3K4GJg8

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