Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQAO7+MKe4Nz1NfwrSdE7nJHinB6A36tI9q1S5S33SiBzA1biIDphRsRGv2r… (1,748 chars)"
  }
}