Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwGnC4MwVZLEpk6C4hZssGUmRd4XlCNwviTRgCf/gzLSgUxB+/YhhPvlEry4… (844 chars)"
  }
}