Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwHkwS/OopJ/Cm0uckdeGV8eQGY95OoxL0J1OQGmIJTI1F+6WJcwcWrRuLkd… (844 chars)"
  }
}