Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwGFZSYBxfHdHilUkpF+UKA4cuWjJUGVXmL4ZBZITVZQ3De6ZK/CQQTiOjKL… (844 chars)"
  }
}