Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwCojfPLJYGYeJPMltuD+k+o1wAZzM7q7bwHJGfsy6hyhDC5b1fhYgLznXx3… (844 chars)"
  }
}