formatJson (msg) {
var rep = '~';
var jsonStr = JSON.stringify(msg, null, rep)
var str = '';
for (var i = 0; i < jsonStr.length; i++) {
var text2 = jsonStr.charAt(i)
if (i > 1) {
var text = jsonStr.charAt(i - 1)
if (rep != text && rep == text2) {
str += '<br/>'
}
}
str += text2;
}
jsonStr = '';
for (var i = 0; i < str.length; i++) {
var text = str.charAt(i);
if (rep == text) { jsonStr += '&nbsp;&nbsp;&nbsp;&nbsp;' } else {
jsonStr += text;
}
if (i == str.length - 2) { jsonStr += '<br/>' }
}
return jsonStr;
}

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