Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwG0phjsZLnypHXU/Rg0XHaAXVAZFMp3UcG8HSwBIIyHM1c0i4L1GCS8GVre… (844 chars)"
  }
}