Transaction not yet indexed

MKC54cSbqKcYsovLTqT6J6hos4nkFYYxJNmRS8fgVEmFLmeBHQLYaNzSr3canUoZWJm9WEZLGEmG1SnZV6CKceU

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