Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBiuP3T0CNNu1M+JeQDAajE8NYUPPHfYaB9bz2yavoGaDOf5/8DWLEoJCZA… (1,748 chars)"
  }
}