Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwD6VSu0Iwkn/cczQyhCrJN+hZtqGi4s/TDAhqEwUFRBxAPTZhvYDQc7ZVx2… (844 chars)"
  }
}