mutation UpdateMachineUser($input: UpdateMachineUserInput!) {
  updateMachineUser(input: $input) {
    machineUser {
      id
      fullName
      publicName
      description
      type
      isCustomAgent
    }
    error {
      message
      type
      code
      fields {
        field
        message
        type
      }
    }
  }
}

{
  "input": {
    "machineUserId": "id"
  }
}

{
  "data": {
    "updateMachineUser": {
      "machineUser": {
        "id": "id",
        "fullName": "string",
        "publicName": "string",
        "description": "string",
        "type": "API_USER",
        "isCustomAgent": true
      },
      "error": {
        "message": "string",
        "type": "VALIDATION",
        "code": "string",
        "fields": [
          {
            "field": "string",
            "message": "string",
            "type": "VALIDATION"
          }
        ]
      }
    }
  }
}