Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCmdppUWyRCnc7tPNfn+3o4HYcEBcpUt9GRLi8wf5OUQEjg1oJPHBBcTeyJ… (1,748 chars)"
  }
}