Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQA/0PkjhuhYfpBegBbvahW1XgJ3TFb0CwcTbL5YcQV64UbsNSra5ChFMbvO… (1,748 chars)"
  }
}