mutate_create_user
{
  "jsonrpc": "2.0",
  "result": {
    "content": [
      {
        "text": "{\"createUser\":{\"email\":\"newuser@example.com\",\"roles\":[{\"description\":\"Administrator with full access\",\"name\":\"admin\",\"permissions\":[]}]}}",
        "type": "text"
      }
    ]
  }
}