Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQHIy4H6+tbp+XJpouolDj3Z22Va3GoE3jVSHHy5w1lrB1+nW34gD3x3fBZK… (1,748 chars)"
  }
}