Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDpFk6YR6TI9+ZBrk6De3RCcZcTnEZw04+lcqKtwsaA+ECseRZA0hp2v5bs… (1,748 chars)"
  }
}