Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAvzaHaVdn/lA4pRyW3aC+aAh201imLVD9nDfaL0Qo30n3Quuycw6JtqQsx… (1,748 chars)"
  }
}