Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwA9UQWyUcPGEAr1q03hbTCcY1A6a4+3cYO2O6j0Nd9VQiGY6SDcd+qd9LJU… (844 chars)"
  }
}