Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCkOnjx/tKRjnb+zqavPna30BO6f8a1dnMYAi4Ky+q+yU07AZrAj2Dx8BWw… (1,748 chars)"
  }
}