Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQBMqv7mS4lAk4+Hu1QcbtI4bKeFydSfpXlWySvNN+ft2Qe2R/gnleMj/ydI… (1,748 chars)"
  }
}