Transaction not yet indexed

Me8dcHgWUp4Z1968n24RpDTbNbPAubi9XW6N5SEM3rr2EyJvL4kLnmxBXV9uynUAkXFAEV2iPrVfcWKm8xQ19Fm

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