Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFwAYY1aW+hzELcZ60P7dMsKgesL5G3Qs5U6QnIEhkJnASrKZtB2TvItso5… (844 chars)"
  }
}