Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwFS4P4Udj+z+qA2AVLsA6lLe/urT5gkJ4W3QHyMDgRsGiN/bdQCcI3E3qzY… (844 chars)"
  }
}