Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBwUIxkXZF3SYbqHqJSVcAREMew5fB/cIDku2r6uujERTpA38eQ9p0xp3pG… (1,748 chars)"
  }
}