Transaction not yet indexed

Me6cqQdNAM2Ed3SAPJtKUC9v7nYz2RbF9BCxWdkKzEc3SRZRDoVrdsrRGsN9aB1fwWTUwXwT8NDxSSqx2FW31Qs

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