feat: updates

src/cmd_se_ecsign.rs

@@ -1,5 +1,5 @@
 use crate::keyutil::{parse_key_uri, KeyUri};
-use crate::{cmdutil, seutil};
+use crate::{cmdutil, seutil, util};
 use crate::util::{base64_decode, base64_encode};
 use clap::{App, Arg, ArgMatches, SubCommand};
 use rust_util::util_clap::{Command, CommandError};
@@ -63,7 +63,7 @@ impl Command for CommandImpl {
             json.insert("signature_base64", base64_encode(&signature));
             json.insert("signature_hex", hex::encode(&signature));
 
-            println!("{}", serde_json::to_string_pretty(&json).unwrap());
+            util::print_pretty_json(&json);
         } else {
             success!("Signature: {}", base64_encode(&signature));
         }