Transaction not yet indexed

NkMRBzSH7K661yBPYBqQZSTdHQizyiPdfuzMASnxZJGSDBz59S2hsxhM17DZ7uWUcdnFQaNCCaBtXfSSLFZVGVv

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