Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwF4u5OM/7z3JkYX/qiobLgjZt4yoVEsNr4H6XbVlcFN/kZK6mpB8h2aCV2n… (844 chars)"
  }
}