Transaction not yet indexed

MkdMfi5i3c2vHc3LZzQSfGhvDY6n9ddennWpYxgWUyDXgkXtfPqzr3ECbdxGwaCCEVc7ccZHdApZzayyPaQH9uQ

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