Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQARiqO4/kzN4aKMQTvBsk0pEJ2TxZTPLbsVYVVvlLAcgSPzoXUG9/E8zvuJ… (1,748 chars)"
  }
}