Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwHEFqsqXGwaShpNplSFxqiNGWoc/4KPwkZKCaMGGHmr+SyX0D8X7SaIR6m/… (844 chars)"
  }
}