Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFdcG1InFGnOsnaL0OkP5ocQZoClU/GeY0U0Nq7yD2WJ1Vy3hY17WeIqV1w… (844 chars)"
  }
}