Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQEm4VVcY5JtpenXv70faOBQEy/7rZknaOeYfH7Ya3CpjX8ToZHeEf67Ot7x… (1,748 chars)"
  }
}