Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFtNmU0WE6x+MC0zv4ATe5EBwE84gGV/EtNPrwBNqL1OWLeiRjhySANJPRi… (844 chars)"
  }
}