Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCsizCA2eUakLL/mup8yBAtNUQGEipjB0xliAXTH4Gn3j6h1MzfwBRe5+ow… (1,748 chars)"
  }
}