Payload data editing

**Can we change payload data **
[
{
“annotations”: {
“summary”: “Instance instance1 has been down for more than 5 minutes”
},
“labels”: {
“instance”: “instance1”
},
“startsAt”: “2023-10-02T08:07:51.088Z”
}]

This startsAt time present for utc we want to write for IST but after editing this
There is not options for saving new edited data.
Let me know how to edit this.