Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQC59n2Llm/YYXJiH9cp5T+BwgGYxOh6kx4RA0urpK+prw0nzXrtcoeURJ8H… (1,748 chars)"
  }
}