Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBxymaPgHPA/yWIziYJZq+4B0OvTRZpzUWgHt5/3TMtpCPzgE+UHcCe1Vbv… (1,748 chars)"
  }
}