Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwEKwQsD9rPSg3iiIs/n6RXuAjXd7ZB01fk+T+R4+3T+ZDF0GKf2BAYWg7Dv… (844 chars)"
  }
}