Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAOSR3J+SWb2P7G8T8AjeM68OBKB5+bXZUb+kzTDApbg1INCxynz58wHuGM… (1,748 chars)"
  }
}