Hello everyone,
I created a new automation rule to copy the last comment in any issue into a new custom field called "Last comment" using the following structure:
{
"fields": {
"Last comment" :"{{issue.comments.last.body}}"
}
}
The automation rule works, but randomly the rule copy all the JSON structure in the field instead of only the {{issue.comments.last.body}} text

In the image, you can see three comments, the second one works correctly but the other two also get the whole JSON structure
Thanks in ahead!