Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBZfs8/jNF1tW4TU/TV3AagJZbm7+Gr1/CHfpJ02Eu44E/ttEqgh8h4q4c5… (1,748 chars)"
  }
}