Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDvhDbSc+HSA7uJo3hy1Hah/qKBXnX9kUBgBzVPZcUFsAXpjYtrjc8LomEj… (844 chars)"
  }
}