Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQCw2o4eKCcx/VZiJKnu/FhBXr9+2PlpD6myPTph+Qu9nH+cWOXPNgYV3Tcy… (1,748 chars)"
  }
}