Transaction not yet indexed

MXu5E8GNFKb7USUfFbaaVoCdffQjfabPW34RrFAQwXsPLRqQ8uKLoAh9adJ9CcvEFkMtqQAfPuXRDb2KSUcLZ22

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