Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQGGw4pCtfmLTLSsfYPBH/icsqdfPdOuautUqKaNKa1ExyAEZd8qxCZmC/g9… (1,748 chars)"
  }
}