Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBfiQEFZXgHEZMNGVBKfBjMg+1Gl+FY8L5tz1aBW6ZejRKampF6WlkIQaRB… (844 chars)"
  }
}