Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDCHmxxmvwg+d1Qlg5ClCe2mr1a2OcSl2pt4eFlGYONLgQFhUAEs07B/h8/… (1,748 chars)"
  }
}