{
  "surface_id": "surface-password-auto",
  "surface_version": 1,
  "payload": {
    "objects": [
      {
        "dataModelUpdate": {
          "surfaceId": "surface-password-auto",
          "contents": [
            {
              "key": "pin",
              "valueString": ""
            }
          ]
        }
      },
      {
        "surfaceUpdate": {
          "surfaceId": "surface-password-auto",
          "components": [
            {
              "id": "root",
              "component": {
                "PasswordKeypad": {
                  "value": {
                    "path": "/pin"
                  },
                  "action": {
                    "name": "submit_pin",
                    "context": [
                      {
                        "key": "source",
                        "value": {
                          "literalString": "auth"
                        }
                      }
                    ]
                  }
                }
              }
            }
          ]
        }
      },
      {
        "beginRendering": {
          "root": "root",
          "surfaceId": "surface-password-auto"
        }
      }
    ]
  }
}