Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGp+N56A8/P0vCkxyGTBSO+gELk9kxQ8nw6tgB0IWzpTTAQMctr71p1+yfT… (844 chars)"
  }
}