Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwB+uTVPjwOmBacaI/YCYIs6U8AgX6HLqO+bEJy3Hk1DuFiVE/dgnxt6plSw… (844 chars)"
  }
}