Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQHic59KxDX/uKjk+Bin4cwJ2pBzrcqWeZS7zcjlT6rSEVZNGb6cTzuUe6fb… (1,748 chars)"
  }
}