Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwG/ZVhEfvwRIUBSAqxWTPBtbcDKOLFHCiFAdp3P9dO2i1geMuxWBKO2XPZ8… (844 chars)"
  }
}