Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQCF6/pzxtBq3GEb183pCvqRT0kSX/DPlz/xl6X+9XpUlBRBzrKYNSm/C7Bg… (1,748 chars)"
  }
}