Transaction not yet indexed

55Un5k9W5QXQUYVpphg6LgWpZCPECxAuoHMQ56d5K7L74sVCkNMXXQmVnGVM9LLLntC9KFUNgHqKdMeWDHbgjzN6

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