Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGDLggJMSRbUh6oqTHGYU4xlouefcwwB29c7Qhk4CYE1XsWdW84yBJ0Zg9n… (844 chars)"
  }
}