Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwCoapMQD1tYj+4mHFyqAJMiW0t0pUM8jP3JLIjzzKBLCQ5S+x7TLWv72jGv… (844 chars)"
  }
}