Transaction not yet indexed

Mnu8UjdWAZFHmq1QpDriGT6VxhCvyhNSxpQ4SSvbJF7XnWN7FAddzSBYCMiQPG5Lfrme7hjCh1yDXSMRAgqZpSc

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