Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGjI0S6rYsq+pUWm7Odogu2qOvZdu8+YvHe2UVJEQgKDEqAgp4Dm/De+CpL… (844 chars)"
  }
}