Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwH7eYCziIfGE8dGGn7XvWDeTgWFOIiD2+ogUu+/a0f3/nGWrjFwbRbNvl0j… (844 chars)"
  }
}