Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDRKw+G6EUZvVHbrVb9EAmTbVqwXcPIYp7YvoDfAjwl7EkFGNu1gh+e4xYO… (844 chars)"
  }
}