Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwGyKYVs6mFXKpwIeE+SIXHvS5RvdqEbNtAJW7qS73f/uWBurOvPWmP0fcEC… (844 chars)"
  }
}