Transaction not yet indexed

MNub8CFNcEebUfvNxJmCeJDMoDVbaSqwbB7h9A2KBHRx1UaQBAfo7bhs9dHnE6DFVPH6ZuwHznCoLPPMU2KVqnv

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