Transaction not yet indexed

MmrSkSpUMc3eRNL7F1MzHjX2yS5np2wfY3Kto5w7DTsmGv8PdnA2UdGbQnn66dDz1QQdcZC6RAKnadFJaVT919V

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