Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBzEDUYJ3mBwWjmFKf3/237dehpHmkE50/dCNwRG/GEWk5C2+00S1nqaT1z… (1,748 chars)"
  }
}