Transaction not yet indexed

mkgkGZMdSyaCQBYXqMSfMPZg3RtNHaawkp4Jp7CuYhTqtNYLjEWWVXYaTbg2Vyo5x8NsPv6phRFx3XUt8cFceV7

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