Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQC2MPX71CZG7XA0ZSQBv9S8PMtAR4D4UgleAkxw0mCAVUtVBh5IfZ/P28vz… (1,748 chars)"
  }
}