Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwGiME0lfnfTKsJ28MzP1dn4Ax7LT/9e72UdM0c8pGepYF3FApFtXw8C1KvA… (844 chars)"
  }
}