Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwHOPwWGcqDN1LtgVR8HepUXY8fDFg9EiC1alVlLaJ+3+gA+E6MAku30oEeD… (844 chars)"
  }
}