Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwFeaSyiiZA0jWOuHbGzA0Q9qU7hgW0S3BtVC4eKQQb6mVXFTcH9dTG+Xm4P… (844 chars)"
  }
}