Transaction not yet indexed

MNKB4QnWghrRKsMy7fqPL1AcU1pXb6DVKN56Cs5vwvQ4sbHZKkj5UUd8g9JMmGRf27MC5Te1mwYBnV5uwUydjRo

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