Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwFmTMto/aRm6BH3nyGYOoFa/f3RVRcb6TA8C+SdkTurJgaTYPejtIRhT2+6… (844 chars)"
  }
}