Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQBz1eU+L+V8jr4qYGEpcSYur7/fDM9qETAI02aoHtuqN0UEMthTgDN2Nj2d… (1,748 chars)"
  }
}