Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwAHnwqfoBycgDgqCR6Xf/KNKuTiOPyeygLNkPBeYVJHhWIX2PuK7nbAZM1c… (844 chars)"
  }
}