Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDQRn4LuzVbJY+7/c6agPdaYhK4p6yeE+op6o+NQmCdFS2Qmhp+lf1FRxuz… (844 chars)"
  }
}