Transaction not yet indexed

1218MCUiU2mxLS7pmxhaqS4jAnKuJvp5rzjQeQUCDPdbXCGudA3b7639BH8NwwEPy3NQFptariMzonuZrAW9gLJ9

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