Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDzLfFULGrxwc/QswHva7AA8m9FpVptPLV08lOrGEA1yVJMhCCWB1Lp5w4o… (1,748 chars)"
  }
}