Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQC1YRHYnGfHVYDj0PXEJjf353qV1i/u4R6IEOCFFpygNRcehSCFOlPjgGLM… (1,748 chars)"
  }
}