Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwG4qFw3g4t8AkzF3pYgJ+M6VCgP7I4s3YxnzokRsTvQvzTbuiaqwx1Gkhz+… (844 chars)"
  }
}