curl --request PUT \
  --url https://apimgmt.cometchat.io/apps/{appId}/extensions/stickers/v1/settings \
  --header 'Content-Type: application/json' \
  --header 'key: <key>' \
  --header 'secret: <secret>' \
  --data '{
  "appId": "appId_1234",
  "defaultMasterStickersData": [
    {
      "enableFlag": false,
      "id": "1",
      "stickerName": "US Phone numbers",
      "stickerOrder": "",
      "stickerSetId": "sticker_1234",
      "stickerSetName": "good_Sticker",
      "stickerSetOrder": 1,
      "stickerUrl": "https://data-us.cometchat-staging.com/stickers/littledyno/litt_14.png"
    }
  ],
  "customStickersData": [
    {
      "appId": "appId1234",
      "enableFlag": true,
      "stickerName": "goodSticker",
      "stickerOrder": 1,
      "stickerSetId": "stickerSetId1234",
      "stickerSetOrder": 1,
      "stickerSetName": "stickerSetName",
      "stickerUrl": "https://mysite.com/some_sticker.png",
      "id": ""
    }
  ]
}'

{
  "data": {
    "statusCode": 200,
    "success": true,
    "responseTime": 3.061743974685669,
    "body": {
      "data": {
        "success": true
      }
    }
  }
}