Transaction not yet indexed

UECkk5QfcSiWFk8eT1sP5YJsuTJTLtyj6Vt8BbzU6iUXH1JAiktpZgUrpse1sjHo8P7UNr4rFU55P1nRbrZrio9

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