Transaction not yet indexed

5Mef31w8j8uV18wWvRmyrzjfYUSc9zMX18Gd7ZXABPBCD7SJZxCWCQawQKQ8HpHBdLqWbMLw4Cw7YA28AgvbJveJ

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