Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwD86+pjnw610OjCVD8U5Uj0qg4F81hGcYjqq4FB6CeKmQdhL/iRrYkHjKY5… (844 chars)"
  }
}