Transaction not yet indexed

MK1MD2uRJDsrAMQnsa43jfoJT3xMtSD9VJhKKLYu6LeC7q1nZk3xtTD5NqyXDXeLH3YES45adqqdAuDwRSUYPN4

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