Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFa1ag+oWoYuW+XRIORyvJNDmdAy1FIBhcJ7ij9M/N2ImZEhsI3nrNUiC2H… (844 chars)"
  }
}