curl -X PUT \
  https://api.sakari.io/v1/accounts/{{ACCOUNT_ID}}/templates/{{TEMPLATE_ID}} \
  -H 'Authorization: Bearer {{TOKEN}}' \
  -H 'Content-Type: application/json' \
  -d '{
  "name": "Test Template",
  "template": "Hi {{ firstName }}, Welcome to Sakari!",
  "type": "SMS"
}'

{
  "success": true,
  "data": {
    "id": "<string>",
    "name": "<string>",
    "type": "SMS",
    "template": "Hi {{{firstName}}}. Grab 20% off today only at ABC Shoes",
    "media": [
      {
        "url": "<string>",
        "type": "<string>",
        "name": "<string>",
        "filename": "<string>"
      }
    ],
    "created": {
      "at": "2023-11-07T05:31:56Z",
      "by": {
        "id": "<string>",
        "name": "Joe Bloggs",
        "firstName": "Joe",
        "lastName": "Bloggs",
        "email": "joe@bloggs.com",
        "source": "<string>",
        "subSource": "<string>"
      }
    },
    "updated": {
      "at": "2023-11-07T05:31:56Z",
      "by": {
        "id": "<string>",
        "name": "Joe Bloggs",
        "firstName": "Joe",
        "lastName": "Bloggs",
        "email": "joe@bloggs.com",
        "source": "<string>",
        "subSource": "<string>"
      }
    }
  }
}