Transaction not yet indexed

MefLL38sCjwNgNhDPYnNvZ9xKQBJ6C35f6dzaH6j2iQzU7PR7jPRTmtUNDRf1jUqduk6ns2j38AgrHABHjKLeeL

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