Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHjFm9uwl+Spond5skhuRXBO/9sxyzwPsmC9zDQlkjWrTjxJv5Qe6Vbj9Fh… (844 chars)"
  }
}