Transaction not yet indexed

Mbk8tfXxmpujVzzowjdSbjg5ABkQ6sjRwNShBQbQfJFUnewcnL457RqFt2Sky8VLFxzjf5TkZRJnw4n5LJjqmBD

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