Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwCE+UNK/aPnPNs19MH0DlO8wpopOPJu66r0xK7Jvs8pV0qK54BkQ0Mf09TA… (844 chars)"
  }
}