Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwDJD8yf2McRrKWdx3D9a1aexkqrgzm0GCcZ/GsYHo9X62cZvLBJUQLe0tYs… (844 chars)"
  }
}