Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwFR0Zrt1EktGjKA4dd2cSH+UMdZH3Q1Yos36E7AYXfLNU1b+S9FTNt1YZRY… (844 chars)"
  }
}