How to change the value of a key from int to string in json

In this json I want to change the value of an key from int to string in golang.

Input:

{
	"id": 12345,
	"wrapper": 898984,
	"sections": {
		"main": {
			"type": 76899
		}
	},
	"order": [
		82322
	]
}

Desired output:

{
	"id": "12345",
	"wrapper": "898984",
	"sections": {
		"main": {
			"type": "76899"
		}
	},
	"order": [
		"82322"
	]
}

The most straightforward way is to create structs for both jsons. Then create function that converts one to another:

package main
import (
"encoding/json"
"fmt"
"strconv"
)
var input = `{ "id": 12345, "wrapper": 898984, "sections": { "main": { "type": 76899 } }, "order": [ 82322 ] }`
type DataWithInts struct {
ID       int `json:"id"`
Wrapper  int `json:"wrapper"`
Sections struct {
Main struct {
Type int `json:"type"`
} `json:"main"`
} `json:"sections"`
Order []int `json:"order"`
}
type MainStringsData struct {
Type string `json:"type"`
}
type SectionsStringsData struct {
Main MainStringsData `json:"main"`
}
type DataWithStrings struct {
ID       string              `json:"id"`
Wrapper  string              `json:"wrapper"`
Sections SectionsStringsData `json:"sections"`
Order    []string            `json:"order"`
}
func GetDataWithStrings(data *DataWithInts) *DataWithStrings {
var order []string
for _, v := range data.Order {
order = append(order, strconv.Itoa(v))
}
return &DataWithStrings{
ID:      strconv.Itoa(data.ID),
Wrapper: strconv.Itoa(data.Wrapper),
Sections: SectionsStringsData{
Main: MainStringsData{
Type: strconv.Itoa(data.Sections.Main.Type),
},
},
Order: order,
}
}
func main() {
var dataInts DataWithInts
err := json.Unmarshal([]byte(input), &dataInts)
if err != nil {
panic(err)
}
dataStrings := GetDataWithStrings(&dataInts)
jsonData, err := json.Marshal(dataStrings)
if err != nil {
panic(err)
}
fmt.Println(string(jsonData))
}

more universal approach can use direct json parsing or reflect package.

P.S.
To create structs, following site can be used: https://mholt.github.io/json-to-go/