Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQCPHymH9gAdzF/Y2S/a25Xw7q0fVvZxM1W90MzjbO7KejiuR9zCJFIkyrxm… (1,748 chars)"
  }
}