Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBQFDjFJA93ILItDk58GS7Agtbr+0uiT2p4wmIA+du+7WBDZ83zjA7QN9HG… (1,748 chars)"
  }
}