Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAH4jdCpWUn8l3W6vEDs2nJL+9bhCk8xzqioKqEOA/Brw3G5VXJeUlb9BwC… (1,748 chars)"
  }
}