Transaction not yet indexed

MWE6TUXShRKEC4vNdWp9cp5Mc5799zSbxCUiGuPamcUFpEBCXukx752CtKoZVRL2PfmVkBkhVZ7A2ivQvZKod9V

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