Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCWH3OVhlHO+VhSBFJFKoyHTdntN3XcTuUnh1ECW/nyg2n0x/1S7nnPdj1/… (1,748 chars)"
  }
}