Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFQSd+vfUOAPYuiYH2WtzaVk/DppQxKS5+cqBpOJT7+/xOF2Wro9rgJ6WWq… (844 chars)"
  }
}