Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwEK9/VWJo3bPl3bFsh+TyGdEQYEDBN9piL0DkYY+7Rm2Uiee2oKBQWzhqOj… (844 chars)"
  }
}