Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBR0B1Hgd8AcGJ+zjKZeuo+sHwhjhJg2i7nfo1MAXAr+3Diq73ASXP6Z4Vz… (844 chars)"
  }
}