Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwEb2VY8SYYxvIlTMJDiOUJ5jAADbCCf9gmDWsABx9TqcTS1kQ1lTYdYmdNZ… (844 chars)"
  }
}