Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwHw1OXsrNaxxU5q1aLjP41N4m8JjZpZ0zI6vf8amxLfjE+a55hQ3j8rFfxO… (844 chars)"
  }
}