Transaction not yet indexed

3MKCQfHfuDQiNunBA1AZ1zNFJVSHTrUZGP1js4xgMbZSvY8srjeVu9P8VUEbzT7ujLKiYAtDQZH3EJxJ2MZ4JQeD

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