Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwB80CWqyagoKd9Ii8LBOLuhQkgAB1nRVe+UO7Tb9iqaM3pdCKsZUWOPU4Uc… (844 chars)"
  }
}