Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFZtCrq7XyPvq/49zz2ldC3/KWyRuYqEoZDOE4e9gko4m3OiPc2EGmlB6hE… (844 chars)"
  }
}