Transaction not yet indexed

MDK9MRUhLVviVB1hSYsqbMrTSYM2AaofKDCZkDvr2B3QFiWuEwdWzi4L7bFBf6SYbAeagC8AeF1PHVkB9eScH8J

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