Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwA+Ot+/JQpLx1w/FwaV4imAdrFGEP5Nrywz8/nbzC3hg2UaCG3IG6FLmCk5… (844 chars)"
  }
}