Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwEYKgCbP+G1U7Fj4lhYxAh7gki7NB03ja54OG7wY+GTdQ40U+OiVW8NrVB4… (844 chars)"
  }
}