Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFkiF9TYTVLZDaxEXAg7dZpr3++3wJM9y+fPXqMDDq4eBrWA2e8ij3FvISE… (844 chars)"
  }
}