Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwEZ/4PteoVtOtOiYF9Vw3AOC3G6bcNI90Qb+Aff0Yj6YTRuAGQieqjyny73… (844 chars)"
  }
}