Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQB3wf4qPRe8rT6jZExcXO/D0ttdBsMLkqhJfeuUeBOX6Tu1Hd8ypg2T7RZC… (1,748 chars)"
  }
}