Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQBFp/cxZaKwQT4mgik/MmBVKnyOqnNZ5PiLlhTyhpx6TzEB0gQMKESFm2fQ… (1,748 chars)"
  }
}