Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwE8Gf2YdPg1UTG+VdGDtmsK1K7khfvC8hqVfMGqJ3gWpkUmZpgZfvFRTT9+… (844 chars)"
  }
}