Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAcFkgYx/hW3RYYlrPV7ys2CH/ihpxwRXI0rujnmMOaYXxzC2ukp9u6bAgt… (1,748 chars)"
  }
}