Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwD4IfmQwuT4DBHbV6+G3KIvZxVwpeH4oidYdmNEeJRc0F0U8g35JX/ux97x… (844 chars)"
  }
}