Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQA/JOuZO1xTj0lBLMnk5/WoKs2y9rwTJLZzz+7QI4PuD0Ctg4Gx1HeGgn0p… (1,748 chars)"
  }
}