Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFuHIPEa4/En+JQX2yTRL1r3T4DR/n0yXBUAOOSS/h15B+J1ZH3oM8JWWyv… (844 chars)"
  }
}