Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwEIcCe0n4OjW+ECUGLXh4AhPgbrt67gu7fnWolBxjRz0F5GPxuF8Zw3VRb+… (844 chars)"
  }
}