Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFUMxO4ZIbCAySkTvD9NM/arpQBQGFUmCx9qnSvIoCiLlkuKsD2r1WTAcug… (844 chars)"
  }
}