Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwF+CjmhUBBfk5QXBgCO1sXwiyEbQJYQ1C10J4sKOVm6Z28VEUJD1IfwfGGT… (844 chars)"
  }
}