Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwL6w87o6JsTmz+Nt0bl+bjo+sLMNVZAiuMO/1ioi2UtJW7Fbrp6Qfq7yOxh… (844 chars)"
  }
}