Transaction not yet indexed

AkKoFaKtKXxgpQXpc4n8id7puWQdJjUGVARMYSkhwFpshiPZAXW9JwGF6MnRouN8YHBMwUVJT7U6bqqEr2sdm46

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