Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwBOxU58bS2+EZOjPMJXY0Zsb21bcwdlHI/OC0yP9RHtECoXADUwTpT6Ukrl… (844 chars)"
  }
}