Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQL1o6B94LA0FMzll3P5/6dnSYPHd5korh4Z2c4ySFOW2FofI0y8YU1Kjoq2… (1,748 chars)"
  }
}