Transaction not yet indexed

543NrMnqmeYvkHLQP18z2mr2GZqN8ivqSW6Kt4dVxqRFnB4Smdc7UE8QnJLigQFJSb8oyFPGdQPdeXPFG1htHoc

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