Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwGFiizrHM2lhz6iLEDGCiI6yXyru8zyCE3+vd1yK6FKYED7ZhcxBtTFPE/2… (844 chars)"
  }
}