Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAeeEOFNr/Dq2pTm4+Td8gwmhRd/C57iI01MK90LNN/FSizxUUd//b6EIiE… (1,748 chars)"
  }
}