Transaction not yet indexed

AK2kEU6CdbntG5mGdUBKCdCuJuLvsJ4ofgFCwurpptttMWi7uUBK7vQDMNFkctqL1TUCqTFRVJSYc1mGhxPcq7u

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