Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQByayEYvmpG8NCSuiSL5tq+zFzqWYYGjhU8BpX8ho/8vV4fbum8Fcd6gWF/… (1,748 chars)"
  }
}